71985520

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7963}}^1$

素因数の和:8089

約数の個数: 40

約数和(自身を含む): 168868656

約数和(自身を除く): 96883136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7963, 9040, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 318520, 637040, 899819, 1799638, 3599276, 4499095, 7198552, 8998190, 14397104, 17996380, 35992760, 71985520]

約数ペア:

[(1, 71985520), (2, 35992760), (4, 17996380), (5, 14397104), (8, 8998190), (10, 7198552), (16, 4499095), (20, 3599276), (40, 1799638), (80, 899819), (113, 637040), (226, 318520), (452, 159260), (565, 127408), (904, 79630), (1130, 63704), (1808, 39815), (2260, 31852), (4520, 15926), (7963, 9040)]