10880451980

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1107989}}^1$

素因数の和:1108489

約数の個数: 24

約数和(自身を含む): 22895505360

約数和(自身を除く): 12015053380

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 1107989, 2215978, 4431956, 5539945, 11079890, 22159780, 544022599, 1088045198, 2176090396, 2720112995, 5440225990, 10880451980]

約数ペア:

[(1, 10880451980), (2, 5440225990), (4, 2720112995), (5, 2176090396), (10, 1088045198), (20, 544022599), (491, 22159780), (982, 11079890), (1964, 5539945), (2455, 4431956), (4910, 2215978), (9820, 1107989)]