13374280

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 30232440

約数和(自身を除く): 16858160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 1301, 2056, 2570, 2602, 5140, 5204, 6505, 10280, 10408, 13010, 26020, 52040, 334357, 668714, 1337428, 1671785, 2674856, 3343570, 6687140, 13374280]

約数ペア:

[(1, 13374280), (2, 6687140), (4, 3343570), (5, 2674856), (8, 1671785), (10, 1337428), (20, 668714), (40, 334357), (257, 52040), (514, 26020), (1028, 13010), (1285, 10408), (1301, 10280), (2056, 6505), (2570, 5204), (2602, 5140)]