8327380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 18716544

約数和(自身を除く): 10389164

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 421, 430, 460, 842, 860, 989, 1684, 1978, 2105, 3956, 4210, 4945, 8420, 9683, 9890, 18103, 19366, 19780, 36206, 38732, 48415, 72412, 90515, 96830, 181030, 193660, 362060, 416369, 832738, 1665476, 2081845, 4163690, 8327380]

約数ペア:

[(1, 8327380), (2, 4163690), (4, 2081845), (5, 1665476), (10, 832738), (20, 416369), (23, 362060), (43, 193660), (46, 181030), (86, 96830), (92, 90515), (115, 72412), (172, 48415), (215, 38732), (230, 36206), (421, 19780), (430, 19366), (460, 18103), (842, 9890), (860, 9683), (989, 8420), (1684, 4945), (1978, 4210), (2105, 3956)]