11391940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{81371}}^1$

素因数の和:81387

約数の個数: 24

約数和(自身を含む): 27340992

約数和(自身を除く): 15949052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 81371, 162742, 325484, 406855, 569597, 813710, 1139194, 1627420, 2278388, 2847985, 5695970, 11391940]

約数ペア:

[(1, 11391940), (2, 5695970), (4, 2847985), (5, 2278388), (7, 1627420), (10, 1139194), (14, 813710), (20, 569597), (28, 406855), (35, 325484), (70, 162742), (140, 81371)]