27520870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6829}}^1$

素因数の和:6880

約数の個数: 32

約数和(自身を含む): 55077120

約数和(自身を除く): 27556250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6829, 13658, 34145, 68290, 88777, 177554, 211699, 423398, 443885, 887770, 1058495, 2116990, 2752087, 5504174, 13760435, 27520870]

約数ペア:

[(1, 27520870), (2, 13760435), (5, 5504174), (10, 2752087), (13, 2116990), (26, 1058495), (31, 887770), (62, 443885), (65, 423398), (130, 211699), (155, 177554), (310, 88777), (403, 68290), (806, 34145), (2015, 13658), (4030, 6829)]