123338020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12821}}^1$

素因数の和:12880

約数の個数: 48

約数和(自身を含む): 286494768

約数和(自身を除く): 163156748

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, 12821, 25642, 51284, 64105, 128210, 166673, 256420, 333346, 474377, 666692, 833365, 948754, 1666730, 1897508, 2371885, 3333460, 4743770, 6166901, 9487540, 12333802, 24667604, 30834505, 61669010, 123338020]

約数ペア:

[(1, 123338020), (2, 61669010), (4, 30834505), (5, 24667604), (10, 12333802), (13, 9487540), (20, 6166901), (26, 4743770), (37, 3333460), (52, 2371885), (65, 1897508), (74, 1666730), (130, 948754), (148, 833365), (185, 666692), (260, 474377), (370, 333346), (481, 256420), (740, 166673), (962, 128210), (1924, 64105), (2405, 51284), (4810, 25642), (9620, 12821)]