40527640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3061}}^1$

素因数の和:3403

約数の個数: 32

約数和(自身を含む): 91492560

約数和(自身を除く): 50964920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3061, 3310, 6122, 6620, 12244, 13240, 15305, 24488, 30610, 61220, 122440, 1013191, 2026382, 4052764, 5065955, 8105528, 10131910, 20263820, 40527640]

約数ペア:

[(1, 40527640), (2, 20263820), (4, 10131910), (5, 8105528), (8, 5065955), (10, 4052764), (20, 2026382), (40, 1013191), (331, 122440), (662, 61220), (1324, 30610), (1655, 24488), (2648, 15305), (3061, 13240), (3310, 12244), (6122, 6620)]