55143980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{27299}}^1$

素因数の和:27409

約数の個数: 24

約数和(自身を含む): 116953200

約数和(自身を除く): 61809220

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 27299, 54598, 109196, 136495, 272990, 545980, 2757199, 5514398, 11028796, 13785995, 27571990, 55143980]

約数ペア:

[(1, 55143980), (2, 27571990), (4, 13785995), (5, 11028796), (10, 5514398), (20, 2757199), (101, 545980), (202, 272990), (404, 136495), (505, 109196), (1010, 54598), (2020, 27299)]