7865260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 17992800

約数和(自身を除く): 10127540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 179, 260, 338, 358, 676, 716, 845, 895, 1690, 1790, 2197, 2327, 3380, 3580, 4394, 4654, 8788, 9308, 10985, 11635, 21970, 23270, 30251, 43940, 46540, 60502, 121004, 151255, 302510, 393263, 605020, 786526, 1573052, 1966315, 3932630, 7865260]

約数ペア:

[(1, 7865260), (2, 3932630), (4, 1966315), (5, 1573052), (10, 786526), (13, 605020), (20, 393263), (26, 302510), (52, 151255), (65, 121004), (130, 60502), (169, 46540), (179, 43940), (260, 30251), (338, 23270), (358, 21970), (676, 11635), (716, 10985), (845, 9308), (895, 8788), (1690, 4654), (1790, 4394), (2197, 3580), (2327, 3380)]