7226960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6975

約数の個数: 40

約数和(自身を含む): 18097800

約数和(自身を除く): 10870840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6949, 13898, 27796, 34745, 55592, 69490, 90337, 111184, 138980, 180674, 277960, 361348, 451685, 555920, 722696, 903370, 1445392, 1806740, 3613480, 7226960]

約数ペア:

[(1, 7226960), (2, 3613480), (4, 1806740), (5, 1445392), (8, 903370), (10, 722696), (13, 555920), (16, 451685), (20, 361348), (26, 277960), (40, 180674), (52, 138980), (65, 111184), (80, 90337), (104, 69490), (130, 55592), (208, 34745), (260, 27796), (520, 13898), (1040, 6949)]