31115680

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1721}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 74204424

約数和(自身を除く): 43088744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1721, 1808, 2260, 3442, 3616, 4520, 6884, 8605, 9040, 13768, 17210, 18080, 27536, 34420, 55072, 68840, 137680, 194473, 275360, 388946, 777892, 972365, 1555784, 1944730, 3111568, 3889460, 6223136, 7778920, 15557840, 31115680]

約数ペア:

[(1, 31115680), (2, 15557840), (4, 7778920), (5, 6223136), (8, 3889460), (10, 3111568), (16, 1944730), (20, 1555784), (32, 972365), (40, 777892), (80, 388946), (113, 275360), (160, 194473), (226, 137680), (452, 68840), (565, 55072), (904, 34420), (1130, 27536), (1721, 18080), (1808, 17210), (2260, 13768), (3442, 9040), (3616, 8605), (4520, 6884)]