172684360

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{6551}}^1$

素因数の和:7221

約数の個数: 32

約数和(自身を含む): 389188800

約数和(自身を除く): 216504440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6551, 6590, 13102, 13180, 26204, 26360, 32755, 52408, 65510, 131020, 262040, 4317109, 8634218, 17268436, 21585545, 34536872, 43171090, 86342180, 172684360]

約数ペア:

[(1, 172684360), (2, 86342180), (4, 43171090), (5, 34536872), (8, 21585545), (10, 17268436), (20, 8634218), (40, 4317109), (659, 262040), (1318, 131020), (2636, 65510), (3295, 52408), (5272, 32755), (6551, 26360), (6590, 26204), (13102, 13180)]