12279280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11807}}^1$

素因数の和:11833

約数の個数: 40

約数和(自身を含む): 30748032

約数和(自身を除く): 18468752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11807, 23614, 47228, 59035, 94456, 118070, 153491, 188912, 236140, 306982, 472280, 613964, 767455, 944560, 1227928, 1534910, 2455856, 3069820, 6139640, 12279280]

約数ペア:

[(1, 12279280), (2, 6139640), (4, 3069820), (5, 2455856), (8, 1534910), (10, 1227928), (13, 944560), (16, 767455), (20, 613964), (26, 472280), (40, 306982), (52, 236140), (65, 188912), (80, 153491), (104, 118070), (130, 94456), (208, 59035), (260, 47228), (520, 23614), (1040, 11807)]