26987620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 62870976

約数和(自身を除く): 35883356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2011, 2684, 3355, 4022, 6710, 8044, 10055, 13420, 20110, 22121, 40220, 44242, 88484, 110605, 122671, 221210, 245342, 442420, 490684, 613355, 1226710, 1349381, 2453420, 2698762, 5397524, 6746905, 13493810, 26987620]

約数ペア:

[(1, 26987620), (2, 13493810), (4, 6746905), (5, 5397524), (10, 2698762), (11, 2453420), (20, 1349381), (22, 1226710), (44, 613355), (55, 490684), (61, 442420), (110, 245342), (122, 221210), (220, 122671), (244, 110605), (305, 88484), (610, 44242), (671, 40220), (1220, 22121), (1342, 20110), (2011, 13420), (2684, 10055), (3355, 8044), (4022, 6710)]