25698440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6361}}^1$

素因数の和:6473

約数の個数: 32

約数和(自身を含む): 58403160

約数和(自身を除く): 32704720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 6361, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 642461, 1284922, 2569844, 3212305, 5139688, 6424610, 12849220, 25698440]

約数ペア:

[(1, 25698440), (2, 12849220), (4, 6424610), (5, 5139688), (8, 3212305), (10, 2569844), (20, 1284922), (40, 642461), (101, 254440), (202, 127220), (404, 63610), (505, 50888), (808, 31805), (1010, 25444), (2020, 12722), (4040, 6361)]