13947440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13411}}^1$

素因数の和:13437

約数の個数: 40

約数和(自身を含む): 34924848

約数和(自身を除く): 20977408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 13411, 26822, 53644, 67055, 107288, 134110, 174343, 214576, 268220, 348686, 536440, 697372, 871715, 1072880, 1394744, 1743430, 2789488, 3486860, 6973720, 13947440]

約数ペア:

[(1, 13947440), (2, 6973720), (4, 3486860), (5, 2789488), (8, 1743430), (10, 1394744), (13, 1072880), (16, 871715), (20, 697372), (26, 536440), (40, 348686), (52, 268220), (65, 214576), (80, 174343), (104, 134110), (130, 107288), (208, 67055), (260, 53644), (520, 26822), (1040, 13411)]