84959920

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1087}}^1$

素因数の和:2077

約数の個数: 40

約数和(自身を含む): 197915904

約数和(自身を除く): 112955984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1087, 1954, 2174, 3908, 4348, 4885, 5435, 7816, 8696, 9770, 10870, 15632, 17392, 19540, 21740, 39080, 43480, 78160, 86960, 1061999, 2123998, 4247996, 5309995, 8495992, 10619990, 16991984, 21239980, 42479960, 84959920]

約数ペア:

[(1, 84959920), (2, 42479960), (4, 21239980), (5, 16991984), (8, 10619990), (10, 8495992), (16, 5309995), (20, 4247996), (40, 2123998), (80, 1061999), (977, 86960), (1087, 78160), (1954, 43480), (2174, 39080), (3908, 21740), (4348, 19540), (4885, 17392), (5435, 15632), (7816, 10870), (8696, 9770)]