16147780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 38283840

約数和(自身を除く): 22136060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2531, 3190, 5062, 6380, 10124, 12655, 25310, 27841, 50620, 55682, 73399, 111364, 139205, 146798, 278410, 293596, 366995, 556820, 733990, 807389, 1467980, 1614778, 3229556, 4036945, 8073890, 16147780]

約数ペア:

[(1, 16147780), (2, 8073890), (4, 4036945), (5, 3229556), (10, 1614778), (11, 1467980), (20, 807389), (22, 733990), (29, 556820), (44, 366995), (55, 293596), (58, 278410), (110, 146798), (116, 139205), (145, 111364), (220, 73399), (290, 55682), (319, 50620), (580, 27841), (638, 25310), (1276, 12655), (1595, 10124), (2531, 6380), (3190, 5062)]