12500121650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1997}}^1\times {\mathrm{5443}}^1$

素因数の和:7475

約数の個数: 48

約数和(自身を含む): 24277713984

約数和(自身を除く): 11777592334

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 1997, 3994, 5443, 9985, 10886, 19970, 27215, 45931, 49925, 54430, 91862, 99850, 125189, 136075, 229655, 250378, 272150, 459310, 625945, 1148275, 1251890, 2296550, 3129725, 6259450, 10869671, 21739342, 54348355, 108696710, 250002433, 271741775, 500004866, 543483550, 1250012165, 2500024330, 6250060825, 12500121650]

約数ペア:

[(1, 12500121650), (2, 6250060825), (5, 2500024330), (10, 1250012165), (23, 543483550), (25, 500004866), (46, 271741775), (50, 250002433), (115, 108696710), (230, 54348355), (575, 21739342), (1150, 10869671), (1997, 6259450), (3994, 3129725), (5443, 2296550), (9985, 1251890), (10886, 1148275), (19970, 625945), (27215, 459310), (45931, 272150), (49925, 250378), (54430, 229655), (91862, 136075), (99850, 125189)]