79485880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2920

約数の個数: 64

約数和(自身を含む): 194050080

約数和(自身を除く): 114564200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 2851, 3485, 5576, 5702, 6970, 11404, 13940, 14255, 22808, 27880, 28510, 48467, 57020, 96934, 114040, 116891, 193868, 233782, 242335, 387736, 467564, 484670, 584455, 935128, 969340, 1168910, 1938680, 1987147, 2337820, 3974294, 4675640, 7948588, 9935735, 15897176, 19871470, 39742940, 79485880]

約数ペア:

[(1, 79485880), (2, 39742940), (4, 19871470), (5, 15897176), (8, 9935735), (10, 7948588), (17, 4675640), (20, 3974294), (34, 2337820), (40, 1987147), (41, 1938680), (68, 1168910), (82, 969340), (85, 935128), (136, 584455), (164, 484670), (170, 467564), (205, 387736), (328, 242335), (340, 233782), (410, 193868), (680, 116891), (697, 114040), (820, 96934), (1394, 57020), (1640, 48467), (2788, 28510), (2851, 27880), (3485, 22808), (5576, 14255), (5702, 13940), (6970, 11404)]