130651760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14983}}^1$

素因数の和:15105

約数の個数: 40

約数和(自身を含む): 306572640

約数和(自身を除く): 175920880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 14983, 29966, 59932, 74915, 119864, 149830, 239728, 299660, 599320, 1198640, 1633147, 3266294, 6532588, 8165735, 13065176, 16331470, 26130352, 32662940, 65325880, 130651760]

約数ペア:

[(1, 130651760), (2, 65325880), (4, 32662940), (5, 26130352), (8, 16331470), (10, 13065176), (16, 8165735), (20, 6532588), (40, 3266294), (80, 1633147), (109, 1198640), (218, 599320), (436, 299660), (545, 239728), (872, 149830), (1090, 119864), (1744, 74915), (2180, 59932), (4360, 29966), (8720, 14983)]