7581340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2243}}^1$

素因数の和:2278

約数の個数: 36

約数和(自身を含む): 17247384

約数和(自身を除く): 9666044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2243, 3380, 4486, 8972, 11215, 22430, 29159, 44860, 58318, 116636, 145795, 291590, 379067, 583180, 758134, 1516268, 1895335, 3790670, 7581340]

約数ペア:

[(1, 7581340), (2, 3790670), (4, 1895335), (5, 1516268), (10, 758134), (13, 583180), (20, 379067), (26, 291590), (52, 145795), (65, 116636), (130, 58318), (169, 44860), (260, 29159), (338, 22430), (676, 11215), (845, 8972), (1690, 4486), (2243, 3380)]