64832020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4831}}^1$

素因数の和:4912

約数の個数: 48

約数和(自身を含む): 150990336

約数和(自身を除く): 86158316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 4831, 6710, 9662, 13420, 19324, 24155, 48310, 53141, 96620, 106282, 212564, 265705, 294691, 531410, 589382, 1062820, 1178764, 1473455, 2946910, 3241601, 5893820, 6483202, 12966404, 16208005, 32416010, 64832020]

約数ペア:

[(1, 64832020), (2, 32416010), (4, 16208005), (5, 12966404), (10, 6483202), (11, 5893820), (20, 3241601), (22, 2946910), (44, 1473455), (55, 1178764), (61, 1062820), (110, 589382), (122, 531410), (220, 294691), (244, 265705), (305, 212564), (610, 106282), (671, 96620), (1220, 53141), (1342, 48310), (2684, 24155), (3355, 19324), (4831, 13420), (6710, 9662)]