867880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 2104200

約数和(自身を除く): 1236320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1669, 3338, 6676, 8345, 13352, 16690, 21697, 33380, 43394, 66760, 86788, 108485, 173576, 216970, 433940, 867880]

約数ペア:

[(1, 867880), (2, 433940), (4, 216970), (5, 173576), (8, 108485), (10, 86788), (13, 66760), (20, 43394), (26, 33380), (40, 21697), (52, 16690), (65, 13352), (104, 8345), (130, 6676), (260, 3338), (520, 1669)]