1659580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 36

約数和(自身を含む): 3781512

約数和(自身を除く): 2121932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 491, 676, 845, 982, 1690, 1964, 2455, 3380, 4910, 6383, 9820, 12766, 25532, 31915, 63830, 82979, 127660, 165958, 331916, 414895, 829790, 1659580]

約数ペア:

[(1, 1659580), (2, 829790), (4, 414895), (5, 331916), (10, 165958), (13, 127660), (20, 82979), (26, 63830), (52, 31915), (65, 25532), (130, 12766), (169, 9820), (260, 6383), (338, 4910), (491, 3380), (676, 2455), (845, 1964), (982, 1690)]