25639480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 64346400

約数和(自身を除く): 38706920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 31, 40, 46, 58, 62, 92, 115, 116, 124, 145, 155, 184, 230, 232, 248, 290, 310, 460, 580, 620, 667, 713, 899, 920, 961, 1160, 1240, 1334, 1426, 1798, 1922, 2668, 2852, 3335, 3565, 3596, 3844, 4495, 4805, 5336, 5704, 6670, 7130, 7192, 7688, 8990, 9610, 13340, 14260, 17980, 19220, 20677, 22103, 26680, 27869, 28520, 35960, 38440, 41354, 44206, 55738, 82708, 88412, 103385, 110515, 111476, 139345, 165416, 176824, 206770, 221030, 222952, 278690, 413540, 442060, 557380, 640987, 827080, 884120, 1114760, 1281974, 2563948, 3204935, 5127896, 6409870, 12819740, 25639480]

約数ペア:

[(1, 25639480), (2, 12819740), (4, 6409870), (5, 5127896), (8, 3204935), (10, 2563948), (20, 1281974), (23, 1114760), (29, 884120), (31, 827080), (40, 640987), (46, 557380), (58, 442060), (62, 413540), (92, 278690), (115, 222952), (116, 221030), (124, 206770), (145, 176824), (155, 165416), (184, 139345), (230, 111476), (232, 110515), (248, 103385), (290, 88412), (310, 82708), (460, 55738), (580, 44206), (620, 41354), (667, 38440), (713, 35960), (899, 28520), (920, 27869), (961, 26680), (1160, 22103), (1240, 20677), (1334, 19220), (1426, 17980), (1798, 14260), (1922, 13340), (2668, 9610), (2852, 8990), (3335, 7688), (3565, 7192), (3596, 7130), (3844, 6670), (4495, 5704), (4805, 5336)]