8118974320

素因数分解:

$2^4\times 5^1\times {\mathrm{12457}}^1\times {\mathrm{8147}}^1$

素因数の和:20617

約数の個数: 40

約数和(自身を含む): 18880447824

約数和(自身を除く): 10761473504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8147, 12457, 16294, 24914, 32588, 40735, 49828, 62285, 65176, 81470, 99656, 124570, 130352, 162940, 199312, 249140, 325880, 498280, 651760, 996560, 101487179, 202974358, 405948716, 507435895, 811897432, 1014871790, 1623794864, 2029743580, 4059487160, 8118974320]

約数ペア:

[(1, 8118974320), (2, 4059487160), (4, 2029743580), (5, 1623794864), (8, 1014871790), (10, 811897432), (16, 507435895), (20, 405948716), (40, 202974358), (80, 101487179), (8147, 996560), (12457, 651760), (16294, 498280), (24914, 325880), (32588, 249140), (40735, 199312), (49828, 162940), (62285, 130352), (65176, 124570), (81470, 99656)]