123609980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{36571}}^1$

素因数の和:36606

約数の個数: 36

約数和(自身を含む): 281092392

約数和(自身を除く): 157482412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 36571, 73142, 146284, 182855, 365710, 475423, 731420, 950846, 1901692, 2377115, 4754230, 6180499, 9508460, 12360998, 24721996, 30902495, 61804990, 123609980]

約数ペア:

[(1, 123609980), (2, 61804990), (4, 30902495), (5, 24721996), (10, 12360998), (13, 9508460), (20, 6180499), (26, 4754230), (52, 2377115), (65, 1901692), (130, 950846), (169, 731420), (260, 475423), (338, 365710), (676, 182855), (845, 146284), (1690, 73142), (3380, 36571)]