79845740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23623}}^1$

素因数の和:23658

約数の個数: 36

約数和(自身を含む): 181574064

約数和(自身を除く): 101728324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 23623, 47246, 94492, 118115, 236230, 307099, 472460, 614198, 1228396, 1535495, 3070990, 3992287, 6141980, 7984574, 15969148, 19961435, 39922870, 79845740]

約数ペア:

[(1, 79845740), (2, 39922870), (4, 19961435), (5, 15969148), (10, 7984574), (13, 6141980), (20, 3992287), (26, 3070990), (52, 1535495), (65, 1228396), (130, 614198), (169, 472460), (260, 307099), (338, 236230), (676, 118115), (845, 94492), (1690, 47246), (3380, 23623)]