199896440

素因数分解:

$2^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{4297}}^1$

素因数の和:5471

約数の個数: 32

約数和(自身を含む): 450258480

約数和(自身を除く): 250362040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1163, 2326, 4297, 4652, 5815, 8594, 9304, 11630, 17188, 21485, 23260, 34376, 42970, 46520, 85940, 171880, 4997411, 9994822, 19989644, 24987055, 39979288, 49974110, 99948220, 199896440]

約数ペア:

[(1, 199896440), (2, 99948220), (4, 49974110), (5, 39979288), (8, 24987055), (10, 19989644), (20, 9994822), (40, 4997411), (1163, 171880), (2326, 85940), (4297, 46520), (4652, 42970), (5815, 34376), (8594, 23260), (9304, 21485), (11630, 17188)]