42956940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55073}}^1$

素因数の和:55098

約数の個数: 48

約数和(自身を含む): 129534048

約数和(自身を除く): 86577108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 55073, 110146, 165219, 220292, 275365, 330438, 550730, 660876, 715949, 826095, 1101460, 1431898, 1652190, 2147847, 2863796, 3304380, 3579745, 4295694, 7159490, 8591388, 10739235, 14318980, 21478470, 42956940]

約数ペア:

[(1, 42956940), (2, 21478470), (3, 14318980), (4, 10739235), (5, 8591388), (6, 7159490), (10, 4295694), (12, 3579745), (13, 3304380), (15, 2863796), (20, 2147847), (26, 1652190), (30, 1431898), (39, 1101460), (52, 826095), (60, 715949), (65, 660876), (78, 550730), (130, 330438), (156, 275365), (195, 220292), (260, 165219), (390, 110146), (780, 55073)]