54856280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80671}}^1$

素因数の和:80699

約数の個数: 32

約数和(自身を含む): 130688640

約数和(自身を除く): 75832360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 80671, 161342, 322684, 403355, 645368, 806710, 1371407, 1613420, 2742814, 3226840, 5485628, 6857035, 10971256, 13714070, 27428140, 54856280]

約数ペア:

[(1, 54856280), (2, 27428140), (4, 13714070), (5, 10971256), (8, 6857035), (10, 5485628), (17, 3226840), (20, 2742814), (34, 1613420), (40, 1371407), (68, 806710), (85, 645368), (136, 403355), (170, 322684), (340, 161342), (680, 80671)]