42251140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68147}}^1$

素因数の和:68187

約数の個数: 24

約数和(自身を含む): 91590912

約数和(自身を除く): 49339772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68147, 136294, 272588, 340735, 681470, 1362940, 2112557, 4225114, 8450228, 10562785, 21125570, 42251140]

約数ペア:

[(1, 42251140), (2, 21125570), (4, 10562785), (5, 8450228), (10, 4225114), (20, 2112557), (31, 1362940), (62, 681470), (124, 340735), (155, 272588), (310, 136294), (620, 68147)]