16586840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 39312000

約数和(自身を除く): 22725160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 181, 232, 290, 316, 362, 395, 580, 632, 724, 790, 905, 1160, 1448, 1580, 1810, 2291, 3160, 3620, 4582, 5249, 7240, 9164, 10498, 11455, 14299, 18328, 20996, 22910, 26245, 28598, 41992, 45820, 52490, 57196, 71495, 91640, 104980, 114392, 142990, 209960, 285980, 414671, 571960, 829342, 1658684, 2073355, 3317368, 4146710, 8293420, 16586840]

約数ペア:

[(1, 16586840), (2, 8293420), (4, 4146710), (5, 3317368), (8, 2073355), (10, 1658684), (20, 829342), (29, 571960), (40, 414671), (58, 285980), (79, 209960), (116, 142990), (145, 114392), (158, 104980), (181, 91640), (232, 71495), (290, 57196), (316, 52490), (362, 45820), (395, 41992), (580, 28598), (632, 26245), (724, 22910), (790, 20996), (905, 18328), (1160, 14299), (1448, 11455), (1580, 10498), (1810, 9164), (2291, 7240), (3160, 5249), (3620, 4582)]