81228140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{580201}}^1$

素因数の和:580217

約数の個数: 24

約数和(自身を含む): 194947872

約数和(自身を除く): 113719732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 580201, 1160402, 2320804, 2901005, 4061407, 5802010, 8122814, 11604020, 16245628, 20307035, 40614070, 81228140]

約数ペア:

[(1, 81228140), (2, 40614070), (4, 20307035), (5, 16245628), (7, 11604020), (10, 8122814), (14, 5802010), (20, 4061407), (28, 2901005), (35, 2320804), (70, 1160402), (140, 580201)]