12640100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11491}}^1$

素因数の和:11516

約数の個数: 36

約数和(自身を含む): 29925168

約数和(自身を除く): 17285068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 11491, 22982, 45964, 57455, 114910, 126401, 229820, 252802, 287275, 505604, 574550, 632005, 1149100, 1264010, 2528020, 3160025, 6320050, 12640100]

約数ペア:

[(1, 12640100), (2, 6320050), (4, 3160025), (5, 2528020), (10, 1264010), (11, 1149100), (20, 632005), (22, 574550), (25, 505604), (44, 287275), (50, 252802), (55, 229820), (100, 126401), (110, 114910), (220, 57455), (275, 45964), (550, 22982), (1100, 11491)]