79872920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 186157440

約数和(自身を除く): 106284520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 328, 410, 431, 452, 565, 820, 862, 904, 1130, 1640, 1724, 2155, 2260, 3448, 4310, 4520, 4633, 8620, 9266, 17240, 17671, 18532, 23165, 35342, 37064, 46330, 48703, 70684, 88355, 92660, 97406, 141368, 176710, 185320, 194812, 243515, 353420, 389624, 487030, 706840, 974060, 1948120, 1996823, 3993646, 7987292, 9984115, 15974584, 19968230, 39936460, 79872920]

約数ペア:

[(1, 79872920), (2, 39936460), (4, 19968230), (5, 15974584), (8, 9984115), (10, 7987292), (20, 3993646), (40, 1996823), (41, 1948120), (82, 974060), (113, 706840), (164, 487030), (205, 389624), (226, 353420), (328, 243515), (410, 194812), (431, 185320), (452, 176710), (565, 141368), (820, 97406), (862, 92660), (904, 88355), (1130, 70684), (1640, 48703), (1724, 46330), (2155, 37064), (2260, 35342), (3448, 23165), (4310, 18532), (4520, 17671), (4633, 17240), (8620, 9266)]