201637727920

素因数分解:

$2^4\times 5^1\times {\mathrm{2520471599}}^1$

素因数の和:2520471612

約数の個数: 20

約数和(自身を含む): 468807717600

約数和(自身を除く): 267169989680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520471599, 5040943198, 10081886396, 12602357995, 20163772792, 25204715990, 40327545584, 50409431980, 100818863960, 201637727920]

約数ペア:

[(1, 201637727920), (2, 100818863960), (4, 50409431980), (5, 40327545584), (8, 25204715990), (10, 20163772792), (16, 12602357995), (20, 10081886396), (40, 5040943198), (80, 2520471599)]