1821984880

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{201547}}^1$

素因数の和:201673

約数の個数: 40

約数和(自身を含む): 4273623792

約数和(自身を除く): 2451638912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 201547, 403094, 806188, 1007735, 1612376, 2015470, 3224752, 4030940, 8061880, 16123760, 22774811, 45549622, 91099244, 113874055, 182198488, 227748110, 364396976, 455496220, 910992440, 1821984880]

約数ペア:

[(1, 1821984880), (2, 910992440), (4, 455496220), (5, 364396976), (8, 227748110), (10, 182198488), (16, 113874055), (20, 91099244), (40, 45549622), (80, 22774811), (113, 16123760), (226, 8061880), (452, 4030940), (565, 3224752), (904, 2015470), (1130, 1612376), (1808, 1007735), (2260, 806188), (4520, 403094), (9040, 201547)]