79280560

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2423}}^1$

素因数の和:2845

約数の個数: 40

約数和(自身を含む): 184854240

約数和(自身を除く): 105573680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 2423, 3272, 4090, 4846, 6544, 8180, 9692, 12115, 16360, 19384, 24230, 32720, 38768, 48460, 96920, 193840, 991007, 1982014, 3964028, 4955035, 7928056, 9910070, 15856112, 19820140, 39640280, 79280560]

約数ペア:

[(1, 79280560), (2, 39640280), (4, 19820140), (5, 15856112), (8, 9910070), (10, 7928056), (16, 4955035), (20, 3964028), (40, 1982014), (80, 991007), (409, 193840), (818, 96920), (1636, 48460), (2045, 38768), (2423, 32720), (3272, 24230), (4090, 19384), (4846, 16360), (6544, 12115), (8180, 9692)]