7117240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13687}}^1$

素因数の和:13711

約数の個数: 32

約数和(自身を含む): 17246880

約数和(自身を除く): 10129640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13687, 27374, 54748, 68435, 109496, 136870, 177931, 273740, 355862, 547480, 711724, 889655, 1423448, 1779310, 3558620, 7117240]

約数ペア:

[(1, 7117240), (2, 3558620), (4, 1779310), (5, 1423448), (8, 889655), (10, 711724), (13, 547480), (20, 355862), (26, 273740), (40, 177931), (52, 136870), (65, 109496), (104, 68435), (130, 54748), (260, 27374), (520, 13687)]