11919880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{42571}}^1$

素因数の和:42589

約数の個数: 32

約数和(自身を含む): 30651840

約数和(自身を除く): 18731960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 42571, 85142, 170284, 212855, 297997, 340568, 425710, 595994, 851420, 1191988, 1489985, 1702840, 2383976, 2979970, 5959940, 11919880]

約数ペア:

[(1, 11919880), (2, 5959940), (4, 2979970), (5, 2383976), (7, 1702840), (8, 1489985), (10, 1191988), (14, 851420), (20, 595994), (28, 425710), (35, 340568), (40, 297997), (56, 212855), (70, 170284), (140, 85142), (280, 42571)]