2166280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 5034240

約数和(自身を除く): 2867960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1747, 3494, 6988, 8735, 13976, 17470, 34940, 54157, 69880, 108314, 216628, 270785, 433256, 541570, 1083140, 2166280]

約数ペア:

[(1, 2166280), (2, 1083140), (4, 541570), (5, 433256), (8, 270785), (10, 216628), (20, 108314), (31, 69880), (40, 54157), (62, 34940), (124, 17470), (155, 13976), (248, 8735), (310, 6988), (620, 3494), (1240, 1747)]