31232980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{929}}^1$

素因数の和:1020

約数の個数: 36

約数和(自身を含む): 67300380

約数和(自身を除く): 36067400

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 929, 1681, 1858, 3362, 3716, 4645, 6724, 8405, 9290, 16810, 18580, 33620, 38089, 76178, 152356, 190445, 380890, 761780, 1561649, 3123298, 6246596, 7808245, 15616490, 31232980]

約数ペア:

[(1, 31232980), (2, 15616490), (4, 7808245), (5, 6246596), (10, 3123298), (20, 1561649), (41, 761780), (82, 380890), (164, 190445), (205, 152356), (410, 76178), (820, 38089), (929, 33620), (1681, 18580), (1858, 16810), (3362, 9290), (3716, 8405), (4645, 6724)]