83839640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 195255360

約数和(自身を除く): 111415720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 265, 284, 355, 424, 530, 557, 568, 710, 1060, 1114, 1420, 2120, 2228, 2785, 2840, 3763, 4456, 5570, 7526, 11140, 15052, 18815, 22280, 29521, 30104, 37630, 39547, 59042, 75260, 79094, 118084, 147605, 150520, 158188, 197735, 236168, 295210, 316376, 395470, 590420, 790940, 1180840, 1581880, 2095991, 4191982, 8383964, 10479955, 16767928, 20959910, 41919820, 83839640]

約数ペア:

[(1, 83839640), (2, 41919820), (4, 20959910), (5, 16767928), (8, 10479955), (10, 8383964), (20, 4191982), (40, 2095991), (53, 1581880), (71, 1180840), (106, 790940), (142, 590420), (212, 395470), (265, 316376), (284, 295210), (355, 236168), (424, 197735), (530, 158188), (557, 150520), (568, 147605), (710, 118084), (1060, 79094), (1114, 75260), (1420, 59042), (2120, 39547), (2228, 37630), (2785, 30104), (2840, 29521), (3763, 22280), (4456, 18815), (5570, 15052), (7526, 11140)]