11312720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3449}}^1$

素因数の和:3503

約数の個数: 40

約数和(自身を含む): 26951400

約数和(自身を除く): 15638680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3449, 6898, 13796, 17245, 27592, 34490, 55184, 68980, 137960, 141409, 275920, 282818, 565636, 707045, 1131272, 1414090, 2262544, 2828180, 5656360, 11312720]

約数ペア:

[(1, 11312720), (2, 5656360), (4, 2828180), (5, 2262544), (8, 1414090), (10, 1131272), (16, 707045), (20, 565636), (40, 282818), (41, 275920), (80, 141409), (82, 137960), (164, 68980), (205, 55184), (328, 34490), (410, 27592), (656, 17245), (820, 13796), (1640, 6898), (3280, 3449)]