4487480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 10335600

約数和(自身を除く): 5848120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2609, 5218, 10436, 13045, 20872, 26090, 52180, 104360, 112187, 224374, 448748, 560935, 897496, 1121870, 2243740, 4487480]

約数ペア:

[(1, 4487480), (2, 2243740), (4, 1121870), (5, 897496), (8, 560935), (10, 448748), (20, 224374), (40, 112187), (43, 104360), (86, 52180), (172, 26090), (215, 20872), (344, 13045), (430, 10436), (860, 5218), (1720, 2609)]