28352020

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5231}}^1$

素因数の和:5511

約数の個数: 24

約数和(自身を含む): 59770368

約数和(自身を除く): 31418348

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5231, 5420, 10462, 20924, 26155, 52310, 104620, 1417601, 2835202, 5670404, 7088005, 14176010, 28352020]

約数ペア:

[(1, 28352020), (2, 14176010), (4, 7088005), (5, 5670404), (10, 2835202), (20, 1417601), (271, 104620), (542, 52310), (1084, 26155), (1355, 20924), (2710, 10462), (5231, 5420)]