71277880

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2609}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 160671600

約数和(自身を除く): 89393720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2609, 2732, 3415, 5218, 5464, 6830, 10436, 13045, 13660, 20872, 26090, 27320, 52180, 104360, 1781947, 3563894, 7127788, 8909735, 14255576, 17819470, 35638940, 71277880]

約数ペア:

[(1, 71277880), (2, 35638940), (4, 17819470), (5, 14255576), (8, 8909735), (10, 7127788), (20, 3563894), (40, 1781947), (683, 104360), (1366, 52180), (2609, 27320), (2732, 26090), (3415, 20872), (5218, 13660), (5464, 13045), (6830, 10436)]