2000487080

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{87587}}^1$

素因数の和:88169

約数の個数: 32

約数和(自身を含む): 4509030240

約数和(自身を除く): 2508543160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 11420, 22840, 87587, 175174, 350348, 437935, 700696, 875870, 1751740, 3503480, 50012177, 100024354, 200048708, 250060885, 400097416, 500121770, 1000243540, 2000487080]

約数ペア:

[(1, 2000487080), (2, 1000243540), (4, 500121770), (5, 400097416), (8, 250060885), (10, 200048708), (20, 100024354), (40, 50012177), (571, 3503480), (1142, 1751740), (2284, 875870), (2855, 700696), (4568, 437935), (5710, 350348), (11420, 175174), (22840, 87587)]