30445960

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1861}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 68707800

約数和(自身を除く): 38261840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 1861, 2045, 3272, 3722, 4090, 7444, 8180, 9305, 14888, 16360, 18610, 37220, 74440, 761149, 1522298, 3044596, 3805745, 6089192, 7611490, 15222980, 30445960]

約数ペア:

[(1, 30445960), (2, 15222980), (4, 7611490), (5, 6089192), (8, 3805745), (10, 3044596), (20, 1522298), (40, 761149), (409, 74440), (818, 37220), (1636, 18610), (1861, 16360), (2045, 14888), (3272, 9305), (3722, 8180), (4090, 7444)]