40311880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143971}}^1$

素因数の和:143989

約数の個数: 32

約数和(自身を含む): 103659840

約数和(自身を除く): 63347960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143971, 287942, 575884, 719855, 1007797, 1151768, 1439710, 2015594, 2879420, 4031188, 5038985, 5758840, 8062376, 10077970, 20155940, 40311880]

約数ペア:

[(1, 40311880), (2, 20155940), (4, 10077970), (5, 8062376), (7, 5758840), (8, 5038985), (10, 4031188), (14, 2879420), (20, 2015594), (28, 1439710), (35, 1151768), (40, 1007797), (56, 719855), (70, 575884), (140, 287942), (280, 143971)]