129013820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13411}}^1$

素因数の和:13470

約数の個数: 48

約数和(自身を含む): 299677728

約数和(自身を除く): 170663908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 13411, 26822, 53644, 67055, 134110, 174343, 268220, 348686, 496207, 697372, 871715, 992414, 1743430, 1984828, 2481035, 3486860, 4962070, 6450691, 9924140, 12901382, 25802764, 32253455, 64506910, 129013820]

約数ペア:

[(1, 129013820), (2, 64506910), (4, 32253455), (5, 25802764), (10, 12901382), (13, 9924140), (20, 6450691), (26, 4962070), (37, 3486860), (52, 2481035), (65, 1984828), (74, 1743430), (130, 992414), (148, 871715), (185, 697372), (260, 496207), (370, 348686), (481, 268220), (740, 174343), (962, 134110), (1924, 67055), (2405, 53644), (4810, 26822), (9620, 13411)]