87464260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 201526920

約数和(自身を除く): 114062660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 229, 260, 338, 452, 458, 565, 676, 845, 916, 1130, 1145, 1469, 1690, 2260, 2290, 2938, 2977, 3380, 4580, 5876, 5954, 7345, 11908, 14690, 14885, 19097, 25877, 29380, 29770, 38194, 38701, 51754, 59540, 76388, 77402, 95485, 103508, 129385, 154804, 190970, 193505, 258770, 336401, 381940, 387010, 517540, 672802, 774020, 1345604, 1682005, 3364010, 4373213, 6728020, 8746426, 17492852, 21866065, 43732130, 87464260]

約数ペア:

[(1, 87464260), (2, 43732130), (4, 21866065), (5, 17492852), (10, 8746426), (13, 6728020), (20, 4373213), (26, 3364010), (52, 1682005), (65, 1345604), (113, 774020), (130, 672802), (169, 517540), (226, 387010), (229, 381940), (260, 336401), (338, 258770), (452, 193505), (458, 190970), (565, 154804), (676, 129385), (845, 103508), (916, 95485), (1130, 77402), (1145, 76388), (1469, 59540), (1690, 51754), (2260, 38701), (2290, 38194), (2938, 29770), (2977, 29380), (3380, 25877), (4580, 19097), (5876, 14885), (5954, 14690), (7345, 11908)]