28575880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9043}}^1$

素因数の和:9133

約数の個数: 32

約数和(自身を含む): 65116800

約数和(自身を除く): 36540920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9043, 18086, 36172, 45215, 72344, 90430, 180860, 361720, 714397, 1428794, 2857588, 3571985, 5715176, 7143970, 14287940, 28575880]

約数ペア:

[(1, 28575880), (2, 14287940), (4, 7143970), (5, 5715176), (8, 3571985), (10, 2857588), (20, 1428794), (40, 714397), (79, 361720), (158, 180860), (316, 90430), (395, 72344), (632, 45215), (790, 36172), (1580, 18086), (3160, 9043)]