13803920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1021}}^1$

素因数の和:1060

約数の個数: 60

約数和(自身を含む): 34786836

約数和(自身を除く): 20982916

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1021, 1040, 1352, 1690, 2042, 2704, 3380, 4084, 5105, 6760, 8168, 10210, 13273, 13520, 16336, 20420, 26546, 40840, 53092, 66365, 81680, 106184, 132730, 172549, 212368, 265460, 345098, 530920, 690196, 862745, 1061840, 1380392, 1725490, 2760784, 3450980, 6901960, 13803920]

約数ペア:

[(1, 13803920), (2, 6901960), (4, 3450980), (5, 2760784), (8, 1725490), (10, 1380392), (13, 1061840), (16, 862745), (20, 690196), (26, 530920), (40, 345098), (52, 265460), (65, 212368), (80, 172549), (104, 132730), (130, 106184), (169, 81680), (208, 66365), (260, 53092), (338, 40840), (520, 26546), (676, 20420), (845, 16336), (1021, 13520), (1040, 13273), (1352, 10210), (1690, 8168), (2042, 6760), (2704, 5105), (3380, 4084)]