2184440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 4974480

約数和(自身を除く): 2790040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 563, 776, 970, 1126, 1940, 2252, 2815, 3880, 4504, 5630, 11260, 22520, 54611, 109222, 218444, 273055, 436888, 546110, 1092220, 2184440]

約数ペア:

[(1, 2184440), (2, 1092220), (4, 546110), (5, 436888), (8, 273055), (10, 218444), (20, 109222), (40, 54611), (97, 22520), (194, 11260), (388, 5630), (485, 4504), (563, 3880), (776, 2815), (970, 2252), (1126, 1940)]