2648120

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 6004800

約数和(自身を除く): 3356680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 277, 478, 554, 956, 1108, 1195, 1385, 1912, 2216, 2390, 2770, 4780, 5540, 9560, 11080, 66203, 132406, 264812, 331015, 529624, 662030, 1324060, 2648120]

約数ペア:

[(1, 2648120), (2, 1324060), (4, 662030), (5, 529624), (8, 331015), (10, 264812), (20, 132406), (40, 66203), (239, 11080), (277, 9560), (478, 5540), (554, 4780), (956, 2770), (1108, 2390), (1195, 2216), (1385, 1912)]