164604080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8609}}^1$

素因数の和:8861

約数の個数: 40

約数和(自身を含む): 384350400

約数和(自身を除く): 219746320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 8609, 9560, 17218, 19120, 34436, 43045, 68872, 86090, 137744, 172180, 344360, 688720, 2057551, 4115102, 8230204, 10287755, 16460408, 20575510, 32920816, 41151020, 82302040, 164604080]

約数ペア:

[(1, 164604080), (2, 82302040), (4, 41151020), (5, 32920816), (8, 20575510), (10, 16460408), (16, 10287755), (20, 8230204), (40, 4115102), (80, 2057551), (239, 688720), (478, 344360), (956, 172180), (1195, 137744), (1912, 86090), (2390, 68872), (3824, 43045), (4780, 34436), (8609, 19120), (9560, 17218)]