51945620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 115530240

約数和(自身を除く): 63584620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 380, 446, 613, 892, 1115, 1226, 2230, 2452, 3065, 4237, 4460, 6130, 8474, 11647, 12260, 16948, 21185, 23294, 42370, 46588, 58235, 84740, 116470, 136699, 232940, 273398, 546796, 683495, 1366990, 2597281, 2733980, 5194562, 10389124, 12986405, 25972810, 51945620]

約数ペア:

[(1, 51945620), (2, 25972810), (4, 12986405), (5, 10389124), (10, 5194562), (19, 2733980), (20, 2597281), (38, 1366990), (76, 683495), (95, 546796), (190, 273398), (223, 232940), (380, 136699), (446, 116470), (613, 84740), (892, 58235), (1115, 46588), (1226, 42370), (2230, 23294), (2452, 21185), (3065, 16948), (4237, 12260), (4460, 11647), (6130, 8474)]