81018740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3259}}^1$

素因数の和:3392

約数の個数: 48

約数和(自身を含む): 187306560

約数和(自身を除く): 106287820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 3259, 4972, 6215, 6518, 12430, 13036, 16295, 24860, 32590, 35849, 65180, 71698, 143396, 179245, 358490, 368267, 716980, 736534, 1473068, 1841335, 3682670, 4050937, 7365340, 8101874, 16203748, 20254685, 40509370, 81018740]

約数ペア:

[(1, 81018740), (2, 40509370), (4, 20254685), (5, 16203748), (10, 8101874), (11, 7365340), (20, 4050937), (22, 3682670), (44, 1841335), (55, 1473068), (110, 736534), (113, 716980), (220, 368267), (226, 358490), (452, 179245), (565, 143396), (1130, 71698), (1243, 65180), (2260, 35849), (2486, 32590), (3259, 24860), (4972, 16295), (6215, 13036), (6518, 12430)]