87214360

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5179}}^1$

素因数の和:5611

約数の個数: 32

約数和(自身を含む): 196736400

約数和(自身を除く): 109522040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 5179, 8420, 10358, 16840, 20716, 25895, 41432, 51790, 103580, 207160, 2180359, 4360718, 8721436, 10901795, 17442872, 21803590, 43607180, 87214360]

約数ペア:

[(1, 87214360), (2, 43607180), (4, 21803590), (5, 17442872), (8, 10901795), (10, 8721436), (20, 4360718), (40, 2180359), (421, 207160), (842, 103580), (1684, 51790), (2105, 41432), (3368, 25895), (4210, 20716), (5179, 16840), (8420, 10358)]