77620640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28537}}^1$

素因数の和:28569

約数の個数: 48

約数和(自身を含む): 194172552

約数和(自身を除く): 116551912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28537, 57074, 114148, 142685, 228296, 285370, 456592, 485129, 570740, 913184, 970258, 1141480, 1940516, 2282960, 2425645, 3881032, 4565920, 4851290, 7762064, 9702580, 15524128, 19405160, 38810320, 77620640]

約数ペア:

[(1, 77620640), (2, 38810320), (4, 19405160), (5, 15524128), (8, 9702580), (10, 7762064), (16, 4851290), (17, 4565920), (20, 3881032), (32, 2425645), (34, 2282960), (40, 1940516), (68, 1141480), (80, 970258), (85, 913184), (136, 570740), (160, 485129), (170, 456592), (272, 285370), (340, 228296), (544, 142685), (680, 114148), (1360, 57074), (2720, 28537)]