137335640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2423}}^1$

素因数の和:2556

約数の個数: 64

約数和(自身を含む): 335966400

約数和(自身を除く): 198630760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2180, 2423, 2834, 4360, 4846, 5668, 7085, 9692, 11336, 12115, 14170, 19384, 24230, 28340, 31499, 48460, 56680, 62998, 96920, 125996, 157495, 251992, 264107, 314990, 528214, 629980, 1056428, 1259960, 1320535, 2112856, 2641070, 3433391, 5282140, 6866782, 10564280, 13733564, 17166955, 27467128, 34333910, 68667820, 137335640]

約数ペア:

[(1, 137335640), (2, 68667820), (4, 34333910), (5, 27467128), (8, 17166955), (10, 13733564), (13, 10564280), (20, 6866782), (26, 5282140), (40, 3433391), (52, 2641070), (65, 2112856), (104, 1320535), (109, 1259960), (130, 1056428), (218, 629980), (260, 528214), (436, 314990), (520, 264107), (545, 251992), (872, 157495), (1090, 125996), (1417, 96920), (2180, 62998), (2423, 56680), (2834, 48460), (4360, 31499), (4846, 28340), (5668, 24230), (7085, 19384), (9692, 14170), (11336, 12115)]