16179940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115571}}^1$

素因数の和:115587

約数の個数: 24

約数和(自身を含む): 38832192

約数和(自身を除く): 22652252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115571, 231142, 462284, 577855, 808997, 1155710, 1617994, 2311420, 3235988, 4044985, 8089970, 16179940]

約数ペア:

[(1, 16179940), (2, 8089970), (4, 4044985), (5, 3235988), (7, 2311420), (10, 1617994), (14, 1155710), (20, 808997), (28, 577855), (35, 462284), (70, 231142), (140, 115571)]