12731620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5261}}^1$

素因数の和:5292

約数の個数: 36

約数和(自身を含む): 29393532

約数和(自身を除く): 16661912

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5261, 10522, 21044, 26305, 52610, 57871, 105220, 115742, 231484, 289355, 578710, 636581, 1157420, 1273162, 2546324, 3182905, 6365810, 12731620]

約数ペア:

[(1, 12731620), (2, 6365810), (4, 3182905), (5, 2546324), (10, 1273162), (11, 1157420), (20, 636581), (22, 578710), (44, 289355), (55, 231484), (110, 115742), (121, 105220), (220, 57871), (242, 52610), (484, 26305), (605, 21044), (1210, 10522), (2420, 5261)]