1819480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 4410000

約数和(自身を除く): 2590520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3499, 6998, 13996, 17495, 27992, 34990, 45487, 69980, 90974, 139960, 181948, 227435, 363896, 454870, 909740, 1819480]

約数ペア:

[(1, 1819480), (2, 909740), (4, 454870), (5, 363896), (8, 227435), (10, 181948), (13, 139960), (20, 90974), (26, 69980), (40, 45487), (52, 34990), (65, 27992), (104, 17495), (130, 13996), (260, 6998), (520, 3499)]