355660840

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{6803}}^1$

素因数の和:8121

約数の個数: 32

約数和(自身を含む): 800966880

約数和(自身を除く): 445306040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 6803, 10456, 13070, 13606, 26140, 27212, 34015, 52280, 54424, 68030, 136060, 272120, 8891521, 17783042, 35566084, 44457605, 71132168, 88915210, 177830420, 355660840]

約数ペア:

[(1, 355660840), (2, 177830420), (4, 88915210), (5, 71132168), (8, 44457605), (10, 35566084), (20, 17783042), (40, 8891521), (1307, 272120), (2614, 136060), (5228, 68030), (6535, 54424), (6803, 52280), (10456, 34015), (13070, 27212), (13606, 26140)]