85450520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 201942720

約数和(自身を除く): 116492200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 293, 317, 460, 586, 634, 920, 1172, 1268, 1465, 1585, 2344, 2536, 2930, 3170, 5860, 6340, 6739, 7291, 11720, 12680, 13478, 14582, 26956, 29164, 33695, 36455, 53912, 58328, 67390, 72910, 92881, 134780, 145820, 185762, 269560, 291640, 371524, 464405, 743048, 928810, 1857620, 2136263, 3715240, 4272526, 8545052, 10681315, 17090104, 21362630, 42725260, 85450520]

約数ペア:

[(1, 85450520), (2, 42725260), (4, 21362630), (5, 17090104), (8, 10681315), (10, 8545052), (20, 4272526), (23, 3715240), (40, 2136263), (46, 1857620), (92, 928810), (115, 743048), (184, 464405), (230, 371524), (293, 291640), (317, 269560), (460, 185762), (586, 145820), (634, 134780), (920, 92881), (1172, 72910), (1268, 67390), (1465, 58328), (1585, 53912), (2344, 36455), (2536, 33695), (2930, 29164), (3170, 26956), (5860, 14582), (6340, 13478), (6739, 12680), (7291, 11720)]