55265180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 118752480

約数和(自身を除く): 63487300

約数列:

[1, 2, 4, 5, 10, 20, 101, 109, 202, 218, 251, 404, 436, 502, 505, 545, 1004, 1010, 1090, 1255, 2020, 2180, 2510, 5020, 11009, 22018, 25351, 27359, 44036, 50702, 54718, 55045, 101404, 109436, 110090, 126755, 136795, 220180, 253510, 273590, 507020, 547180, 2763259, 5526518, 11053036, 13816295, 27632590, 55265180]

約数ペア:

[(1, 55265180), (2, 27632590), (4, 13816295), (5, 11053036), (10, 5526518), (20, 2763259), (101, 547180), (109, 507020), (202, 273590), (218, 253510), (251, 220180), (404, 136795), (436, 126755), (502, 110090), (505, 109436), (545, 101404), (1004, 55045), (1010, 54718), (1090, 50702), (1255, 44036), (2020, 27359), (2180, 25351), (2510, 22018), (5020, 11009)]