8661880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2609}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 19731600

約数和(自身を除く): 11069720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2609, 3320, 5218, 10436, 13045, 20872, 26090, 52180, 104360, 216547, 433094, 866188, 1082735, 1732376, 2165470, 4330940, 8661880]

約数ペア:

[(1, 8661880), (2, 4330940), (4, 2165470), (5, 1732376), (8, 1082735), (10, 866188), (20, 433094), (40, 216547), (83, 104360), (166, 52180), (332, 26090), (415, 20872), (664, 13045), (830, 10436), (1660, 5218), (2609, 3320)]