51858040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3272

約数の個数: 64

約数和(自身を含む): 129749760

約数和(自身を除く): 77891720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3217, 3224, 4030, 6434, 8060, 12868, 16085, 16120, 25736, 32170, 41821, 64340, 83642, 99727, 128680, 167284, 199454, 209105, 334568, 398908, 418210, 498635, 797816, 836420, 997270, 1296451, 1672840, 1994540, 2592902, 3989080, 5185804, 6482255, 10371608, 12964510, 25929020, 51858040]

約数ペア:

[(1, 51858040), (2, 25929020), (4, 12964510), (5, 10371608), (8, 6482255), (10, 5185804), (13, 3989080), (20, 2592902), (26, 1994540), (31, 1672840), (40, 1296451), (52, 997270), (62, 836420), (65, 797816), (104, 498635), (124, 418210), (130, 398908), (155, 334568), (248, 209105), (260, 199454), (310, 167284), (403, 128680), (520, 99727), (620, 83642), (806, 64340), (1240, 41821), (1612, 32170), (2015, 25736), (3217, 16120), (3224, 16085), (4030, 12868), (6434, 8060)]