28546340

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1409}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 60049080

約数和(自身を除く): 31502740

約数列:

[1, 2, 4, 5, 10, 20, 1013, 1409, 2026, 2818, 4052, 5065, 5636, 7045, 10130, 14090, 20260, 28180, 1427317, 2854634, 5709268, 7136585, 14273170, 28546340]

約数ペア:

[(1, 28546340), (2, 14273170), (4, 7136585), (5, 5709268), (10, 2854634), (20, 1427317), (1013, 28180), (1409, 20260), (2026, 14090), (2818, 10130), (4052, 7045), (5065, 5636)]