28513180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45989}}^1$

素因数の和:46029

約数の個数: 24

約数和(自身を含む): 61810560

約数和(自身を除く): 33297380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45989, 91978, 183956, 229945, 459890, 919780, 1425659, 2851318, 5702636, 7128295, 14256590, 28513180]

約数ペア:

[(1, 28513180), (2, 14256590), (4, 7128295), (5, 5702636), (10, 2851318), (20, 1425659), (31, 919780), (62, 459890), (124, 229945), (155, 183956), (310, 91978), (620, 45989)]