2017819640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{2543}}^1$

素因数の和:2876

約数の個数: 64

約数和(自身を含む): 4615833600

約数和(自身を除く): 2598013960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 239, 332, 415, 478, 664, 830, 956, 1195, 1660, 1912, 2390, 2543, 3320, 4780, 5086, 9560, 10172, 12715, 19837, 20344, 25430, 39674, 50860, 79348, 99185, 101720, 158696, 198370, 211069, 396740, 422138, 607777, 793480, 844276, 1055345, 1215554, 1688552, 2110690, 2431108, 3038885, 4221380, 4862216, 6077770, 8442760, 12155540, 24311080, 50445491, 100890982, 201781964, 252227455, 403563928, 504454910, 1008909820, 2017819640]

約数ペア:

[(1, 2017819640), (2, 1008909820), (4, 504454910), (5, 403563928), (8, 252227455), (10, 201781964), (20, 100890982), (40, 50445491), (83, 24311080), (166, 12155540), (239, 8442760), (332, 6077770), (415, 4862216), (478, 4221380), (664, 3038885), (830, 2431108), (956, 2110690), (1195, 1688552), (1660, 1215554), (1912, 1055345), (2390, 844276), (2543, 793480), (3320, 607777), (4780, 422138), (5086, 396740), (9560, 211069), (10172, 198370), (12715, 158696), (19837, 101720), (20344, 99185), (25430, 79348), (39674, 50860)]