78676240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22871}}^1$

素因数の和:22927

約数の個数: 40

約数和(自身を含む): 187184448

約数和(自身を除く): 108508208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 22871, 45742, 91484, 114355, 182968, 228710, 365936, 457420, 914840, 983453, 1829680, 1966906, 3933812, 4917265, 7867624, 9834530, 15735248, 19669060, 39338120, 78676240]

約数ペア:

[(1, 78676240), (2, 39338120), (4, 19669060), (5, 15735248), (8, 9834530), (10, 7867624), (16, 4917265), (20, 3933812), (40, 1966906), (43, 1829680), (80, 983453), (86, 914840), (172, 457420), (215, 365936), (344, 228710), (430, 182968), (688, 114355), (860, 91484), (1720, 45742), (3440, 22871)]