13081180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 31610880

約数和(自身を除く): 18529700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 419, 446, 838, 892, 1115, 1561, 1676, 2095, 2230, 2933, 3122, 4190, 4460, 5866, 6244, 7805, 8380, 11732, 14665, 15610, 29330, 31220, 58660, 93437, 186874, 373748, 467185, 654059, 934370, 1308118, 1868740, 2616236, 3270295, 6540590, 13081180]

約数ペア:

[(1, 13081180), (2, 6540590), (4, 3270295), (5, 2616236), (7, 1868740), (10, 1308118), (14, 934370), (20, 654059), (28, 467185), (35, 373748), (70, 186874), (140, 93437), (223, 58660), (419, 31220), (446, 29330), (838, 15610), (892, 14665), (1115, 11732), (1561, 8380), (1676, 7805), (2095, 6244), (2230, 5866), (2933, 4460), (3122, 4190)]