1008065020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 2138363136

約数和(自身を除く): 1130298116

約数列:

[1, 2, 4, 5, 10, 20, 181, 281, 362, 562, 724, 905, 991, 1124, 1405, 1810, 1982, 2810, 3620, 3964, 4955, 5620, 9910, 19820, 50861, 101722, 179371, 203444, 254305, 278471, 358742, 508610, 556942, 717484, 896855, 1017220, 1113884, 1392355, 1793710, 2784710, 3587420, 5569420, 50403251, 100806502, 201613004, 252016255, 504032510, 1008065020]

約数ペア:

[(1, 1008065020), (2, 504032510), (4, 252016255), (5, 201613004), (10, 100806502), (20, 50403251), (181, 5569420), (281, 3587420), (362, 2784710), (562, 1793710), (724, 1392355), (905, 1113884), (991, 1017220), (1124, 896855), (1405, 717484), (1810, 556942), (1982, 508610), (2810, 358742), (3620, 278471), (3964, 254305), (4955, 203444), (5620, 179371), (9910, 101722), (19820, 50861)]