51234160

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4105

約数の個数: 40

約数和(自身を含む): 119880720

約数和(自身を除く): 68646560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 3929, 6520, 7858, 13040, 15716, 19645, 31432, 39290, 62864, 78580, 157160, 314320, 640427, 1280854, 2561708, 3202135, 5123416, 6404270, 10246832, 12808540, 25617080, 51234160]

約数ペア:

[(1, 51234160), (2, 25617080), (4, 12808540), (5, 10246832), (8, 6404270), (10, 5123416), (16, 3202135), (20, 2561708), (40, 1280854), (80, 640427), (163, 314320), (326, 157160), (652, 78580), (815, 62864), (1304, 39290), (1630, 31432), (2608, 19645), (3260, 15716), (3929, 13040), (6520, 7858)]