23787920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 60464880

約数和(自身を除く): 36676960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 257, 260, 356, 445, 514, 520, 712, 890, 1028, 1040, 1157, 1285, 1424, 1780, 2056, 2314, 2570, 3341, 3560, 4112, 4628, 5140, 5785, 6682, 7120, 9256, 10280, 11570, 13364, 16705, 18512, 20560, 22873, 23140, 26728, 33410, 45746, 46280, 53456, 66820, 91492, 92560, 114365, 133640, 182984, 228730, 267280, 297349, 365968, 457460, 594698, 914920, 1189396, 1486745, 1829840, 2378792, 2973490, 4757584, 5946980, 11893960, 23787920]

約数ペア:

[(1, 23787920), (2, 11893960), (4, 5946980), (5, 4757584), (8, 2973490), (10, 2378792), (13, 1829840), (16, 1486745), (20, 1189396), (26, 914920), (40, 594698), (52, 457460), (65, 365968), (80, 297349), (89, 267280), (104, 228730), (130, 182984), (178, 133640), (208, 114365), (257, 92560), (260, 91492), (356, 66820), (445, 53456), (514, 46280), (520, 45746), (712, 33410), (890, 26728), (1028, 23140), (1040, 22873), (1157, 20560), (1285, 18512), (1424, 16705), (1780, 13364), (2056, 11570), (2314, 10280), (2570, 9256), (3341, 7120), (3560, 6682), (4112, 5785), (4628, 5140)]