9984620

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2789}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 21092400

約数和(自身を除く): 11107780

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 2789, 3580, 5578, 11156, 13945, 27890, 55780, 499231, 998462, 1996924, 2496155, 4992310, 9984620]

約数ペア:

[(1, 9984620), (2, 4992310), (4, 2496155), (5, 1996924), (10, 998462), (20, 499231), (179, 55780), (358, 27890), (716, 13945), (895, 11156), (1790, 5578), (2789, 3580)]