1664759920

素因数分解:

$2^4\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{17443}}^1$

素因数の和:18649

約数の個数: 40

約数和(自身を含む): 3874033296

約数和(自身を除く): 2209273376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1193, 2386, 4772, 5965, 9544, 11930, 17443, 19088, 23860, 34886, 47720, 69772, 87215, 95440, 139544, 174430, 279088, 348860, 697720, 1395440, 20809499, 41618998, 83237996, 104047495, 166475992, 208094990, 332951984, 416189980, 832379960, 1664759920]

約数ペア:

[(1, 1664759920), (2, 832379960), (4, 416189980), (5, 332951984), (8, 208094990), (10, 166475992), (16, 104047495), (20, 83237996), (40, 41618998), (80, 20809499), (1193, 1395440), (2386, 697720), (4772, 348860), (5965, 279088), (9544, 174430), (11930, 139544), (17443, 95440), (19088, 87215), (23860, 69772), (34886, 47720)]