38738627720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{3257}}^1$

素因数の和:3627

約数の個数: 128

約数和(自身を含む): 95319957600

約数和(自身を除く): 56581329880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 257, 260, 356, 445, 514, 520, 712, 890, 1028, 1157, 1285, 1780, 2056, 2314, 2570, 3257, 3341, 3560, 4628, 5140, 5785, 6514, 6682, 9256, 10280, 11570, 13028, 13364, 16285, 16705, 22873, 23140, 26056, 26728, 32570, 33410, 42341, 45746, 46280, 65140, 66820, 84682, 91492, 114365, 130280, 133640, 169364, 182984, 211705, 228730, 289873, 297349, 338728, 423410, 457460, 579746, 594698, 837049, 846820, 914920, 1159492, 1189396, 1449365, 1486745, 1674098, 1693640, 2318984, 2378792, 2898730, 2973490, 3348196, 3768349, 4185245, 5797460, 5946980, 6696392, 7536698, 8370490, 10881637, 11594920, 11893960, 15073396, 16740980, 18841745, 21763274, 30146792, 33481960, 37683490, 43526548, 54408185, 74497361, 75366980, 87053096, 108816370, 148994722, 150733960, 217632740, 297989444, 372486805, 435265480, 595978888, 744973610, 968465693, 1489947220, 1936931386, 2979894440, 3873862772, 4842328465, 7747725544, 9684656930, 19369313860, 38738627720]

約数ペア:

[(1, 38738627720), (2, 19369313860), (4, 9684656930), (5, 7747725544), (8, 4842328465), (10, 3873862772), (13, 2979894440), (20, 1936931386), (26, 1489947220), (40, 968465693), (52, 744973610), (65, 595978888), (89, 435265480), (104, 372486805), (130, 297989444), (178, 217632740), (257, 150733960), (260, 148994722), (356, 108816370), (445, 87053096), (514, 75366980), (520, 74497361), (712, 54408185), (890, 43526548), (1028, 37683490), (1157, 33481960), (1285, 30146792), (1780, 21763274), (2056, 18841745), (2314, 16740980), (2570, 15073396), (3257, 11893960), (3341, 11594920), (3560, 10881637), (4628, 8370490), (5140, 7536698), (5785, 6696392), (6514, 5946980), (6682, 5797460), (9256, 4185245), (10280, 3768349), (11570, 3348196), (13028, 2973490), (13364, 2898730), (16285, 2378792), (16705, 2318984), (22873, 1693640), (23140, 1674098), (26056, 1486745), (26728, 1449365), (32570, 1189396), (33410, 1159492), (42341, 914920), (45746, 846820), (46280, 837049), (65140, 594698), (66820, 579746), (84682, 457460), (91492, 423410), (114365, 338728), (130280, 297349), (133640, 289873), (169364, 228730), (182984, 211705)]