79640840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14533}}^1$

素因数の和:14681

約数の個数: 32

約数和(自身を含む): 180512280

約数和(自身を除く): 100871440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14533, 29066, 58132, 72665, 116264, 145330, 290660, 581320, 1991021, 3982042, 7964084, 9955105, 15928168, 19910210, 39820420, 79640840]

約数ペア:

[(1, 79640840), (2, 39820420), (4, 19910210), (5, 15928168), (8, 9955105), (10, 7964084), (20, 3982042), (40, 1991021), (137, 581320), (274, 290660), (548, 145330), (685, 116264), (1096, 72665), (1370, 58132), (2740, 29066), (5480, 14533)]