26690020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{613}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 64366848

約数和(自身を除く): 37676828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 613, 622, 1226, 1244, 1555, 2177, 2452, 3065, 3110, 4291, 4354, 6130, 6220, 8582, 8708, 10885, 12260, 17164, 21455, 21770, 42910, 43540, 85820, 190643, 381286, 762572, 953215, 1334501, 1906430, 2669002, 3812860, 5338004, 6672505, 13345010, 26690020]

約数ペア:

[(1, 26690020), (2, 13345010), (4, 6672505), (5, 5338004), (7, 3812860), (10, 2669002), (14, 1906430), (20, 1334501), (28, 953215), (35, 762572), (70, 381286), (140, 190643), (311, 85820), (613, 43540), (622, 42910), (1226, 21770), (1244, 21455), (1555, 17164), (2177, 12260), (2452, 10885), (3065, 8708), (3110, 8582), (4291, 6220), (4354, 6130)]