1229540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4729}}^1$

素因数の和:4751

約数の個数: 24

約数和(自身を含む): 2781240

約数和(自身を除く): 1551700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4729, 9458, 18916, 23645, 47290, 61477, 94580, 122954, 245908, 307385, 614770, 1229540]

約数ペア:

[(1, 1229540), (2, 614770), (4, 307385), (5, 245908), (10, 122954), (13, 94580), (20, 61477), (26, 47290), (52, 23645), (65, 18916), (130, 9458), (260, 4729)]