8187400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 21248640

約数和(自身を除く): 13061240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 47, 50, 52, 65, 67, 94, 100, 104, 130, 134, 188, 200, 235, 260, 268, 325, 335, 376, 470, 520, 536, 611, 650, 670, 871, 940, 1175, 1222, 1300, 1340, 1675, 1742, 1880, 2350, 2444, 2600, 2680, 3055, 3149, 3350, 3484, 4355, 4700, 4888, 6110, 6298, 6700, 6968, 8710, 9400, 12220, 12596, 13400, 15275, 15745, 17420, 21775, 24440, 25192, 30550, 31490, 34840, 40937, 43550, 61100, 62980, 78725, 81874, 87100, 122200, 125960, 157450, 163748, 174200, 204685, 314900, 327496, 409370, 629800, 818740, 1023425, 1637480, 2046850, 4093700, 8187400]

約数ペア:

[(1, 8187400), (2, 4093700), (4, 2046850), (5, 1637480), (8, 1023425), (10, 818740), (13, 629800), (20, 409370), (25, 327496), (26, 314900), (40, 204685), (47, 174200), (50, 163748), (52, 157450), (65, 125960), (67, 122200), (94, 87100), (100, 81874), (104, 78725), (130, 62980), (134, 61100), (188, 43550), (200, 40937), (235, 34840), (260, 31490), (268, 30550), (325, 25192), (335, 24440), (376, 21775), (470, 17420), (520, 15745), (536, 15275), (611, 13400), (650, 12596), (670, 12220), (871, 9400), (940, 8710), (1175, 6968), (1222, 6700), (1300, 6298), (1340, 6110), (1675, 4888), (1742, 4700), (1880, 4355), (2350, 3484), (2444, 3350), (2600, 3149), (2680, 3055)]