169080760

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{8609}}^1$

素因数の和:9111

約数の個数: 32

約数和(自身を含む): 381250800

約数和(自身を除く): 212170040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 8609, 9820, 17218, 19640, 34436, 43045, 68872, 86090, 172180, 344360, 4227019, 8454038, 16908076, 21135095, 33816152, 42270190, 84540380, 169080760]

約数ペア:

[(1, 169080760), (2, 84540380), (4, 42270190), (5, 33816152), (8, 21135095), (10, 16908076), (20, 8454038), (40, 4227019), (491, 344360), (982, 172180), (1964, 86090), (2455, 68872), (3928, 43045), (4910, 34436), (8609, 19640), (9820, 17218)]