8326672720

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{247229}}^1$

素因数の和:247663

約数の個数: 40

約数和(自身を含む): 19405577160

約数和(自身を除く): 11078904440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 16840, 33680, 247229, 494458, 988916, 1236145, 1977832, 2472290, 3955664, 4944580, 9889160, 19778320, 104083409, 208166818, 416333636, 520417045, 832667272, 1040834090, 1665334544, 2081668180, 4163336360, 8326672720]

約数ペア:

[(1, 8326672720), (2, 4163336360), (4, 2081668180), (5, 1665334544), (8, 1040834090), (10, 832667272), (16, 520417045), (20, 416333636), (40, 208166818), (80, 104083409), (421, 19778320), (842, 9889160), (1684, 4944580), (2105, 3955664), (3368, 2472290), (4210, 1977832), (6736, 1236145), (8420, 988916), (16840, 494458), (33680, 247229)]