79760360

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4441}}^1$

素因数の和:4901

約数の個数: 32

約数和(自身を含む): 179901000

約数和(自身を除く): 100140640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4441, 4490, 8882, 8980, 17764, 17960, 22205, 35528, 44410, 88820, 177640, 1994009, 3988018, 7976036, 9970045, 15952072, 19940090, 39880180, 79760360]

約数ペア:

[(1, 79760360), (2, 39880180), (4, 19940090), (5, 15952072), (8, 9970045), (10, 7976036), (20, 3988018), (40, 1994009), (449, 177640), (898, 88820), (1796, 44410), (2245, 35528), (3592, 22205), (4441, 17960), (4490, 17764), (8882, 8980)]