28329620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 65995776

約数和(自身を除く): 37666156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2111, 2684, 3355, 4222, 6710, 8444, 10555, 13420, 21110, 23221, 42220, 46442, 92884, 116105, 128771, 232210, 257542, 464420, 515084, 643855, 1287710, 1416481, 2575420, 2832962, 5665924, 7082405, 14164810, 28329620]

約数ペア:

[(1, 28329620), (2, 14164810), (4, 7082405), (5, 5665924), (10, 2832962), (11, 2575420), (20, 1416481), (22, 1287710), (44, 643855), (55, 515084), (61, 464420), (110, 257542), (122, 232210), (220, 128771), (244, 116105), (305, 92884), (610, 46442), (671, 42220), (1220, 23221), (1342, 21110), (2111, 13420), (2684, 10555), (3355, 8444), (4222, 6710)]