2243370440

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{139861}}^1$

素因数の和:140273

約数の個数: 32

約数和(自身を含む): 5060207160

約数和(自身を除く): 2816836720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 139861, 279722, 559444, 699305, 1118888, 1398610, 2797220, 5594440, 56084261, 112168522, 224337044, 280421305, 448674088, 560842610, 1121685220, 2243370440]

約数ペア:

[(1, 2243370440), (2, 1121685220), (4, 560842610), (5, 448674088), (8, 280421305), (10, 224337044), (20, 112168522), (40, 56084261), (401, 5594440), (802, 2797220), (1604, 1398610), (2005, 1118888), (3208, 699305), (4010, 559444), (8020, 279722), (16040, 139861)]