25812680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 60575040

約数和(自身を除く): 34762360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 163, 185, 214, 296, 326, 370, 428, 535, 652, 740, 815, 856, 1070, 1304, 1480, 1630, 2140, 3260, 3959, 4280, 6031, 6520, 7918, 12062, 15836, 17441, 19795, 24124, 30155, 31672, 34882, 39590, 48248, 60310, 69764, 79180, 87205, 120620, 139528, 158360, 174410, 241240, 348820, 645317, 697640, 1290634, 2581268, 3226585, 5162536, 6453170, 12906340, 25812680]

約数ペア:

[(1, 25812680), (2, 12906340), (4, 6453170), (5, 5162536), (8, 3226585), (10, 2581268), (20, 1290634), (37, 697640), (40, 645317), (74, 348820), (107, 241240), (148, 174410), (163, 158360), (185, 139528), (214, 120620), (296, 87205), (326, 79180), (370, 69764), (428, 60310), (535, 48248), (652, 39590), (740, 34882), (815, 31672), (856, 30155), (1070, 24124), (1304, 19795), (1480, 17441), (1630, 15836), (2140, 12062), (3260, 7918), (3959, 6520), (4280, 6031)]