8666840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 24010560

約数和(自身を除く): 15343720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2381, 3640, 4762, 9524, 11905, 16667, 19048, 23810, 30953, 33334, 47620, 61906, 66668, 83335, 95240, 123812, 133336, 154765, 166670, 216671, 247624, 309530, 333340, 433342, 619060, 666680, 866684, 1083355, 1238120, 1733368, 2166710, 4333420, 8666840]

約数ペア:

[(1, 8666840), (2, 4333420), (4, 2166710), (5, 1733368), (7, 1238120), (8, 1083355), (10, 866684), (13, 666680), (14, 619060), (20, 433342), (26, 333340), (28, 309530), (35, 247624), (40, 216671), (52, 166670), (56, 154765), (65, 133336), (70, 123812), (91, 95240), (104, 83335), (130, 66668), (140, 61906), (182, 47620), (260, 33334), (280, 30953), (364, 23810), (455, 19048), (520, 16667), (728, 11905), (910, 9524), (1820, 4762), (2381, 3640)]