54698020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 125314560

約数和(自身を除く): 70616540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 2663, 4108, 5135, 5326, 10270, 10652, 13315, 20540, 26630, 34619, 53260, 69238, 138476, 173095, 210377, 346190, 420754, 692380, 841508, 1051885, 2103770, 2734901, 4207540, 5469802, 10939604, 13674505, 27349010, 54698020]

約数ペア:

[(1, 54698020), (2, 27349010), (4, 13674505), (5, 10939604), (10, 5469802), (13, 4207540), (20, 2734901), (26, 2103770), (52, 1051885), (65, 841508), (79, 692380), (130, 420754), (158, 346190), (260, 210377), (316, 173095), (395, 138476), (790, 69238), (1027, 53260), (1580, 34619), (2054, 26630), (2663, 20540), (4108, 13315), (5135, 10652), (5326, 10270)]