80671630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 167323968

約数和(自身を除く): 86652338

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 173, 211, 221, 346, 422, 442, 865, 1055, 1105, 1730, 2110, 2210, 2249, 2743, 2941, 3587, 4498, 5486, 5882, 7174, 11245, 13715, 14705, 17935, 22490, 27430, 29410, 35870, 36503, 38233, 46631, 73006, 76466, 93262, 182515, 191165, 233155, 365030, 382330, 466310, 474539, 620551, 949078, 1241102, 2372695, 3102755, 4745390, 6205510, 8067163, 16134326, 40335815, 80671630]

約数ペア:

[(1, 80671630), (2, 40335815), (5, 16134326), (10, 8067163), (13, 6205510), (17, 4745390), (26, 3102755), (34, 2372695), (65, 1241102), (85, 949078), (130, 620551), (170, 474539), (173, 466310), (211, 382330), (221, 365030), (346, 233155), (422, 191165), (442, 182515), (865, 93262), (1055, 76466), (1105, 73006), (1730, 46631), (2110, 38233), (2210, 36503), (2249, 35870), (2743, 29410), (2941, 27430), (3587, 22490), (4498, 17935), (5486, 14705), (5882, 13715), (7174, 11245)]