28245340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45557}}^1$

素因数の和:45597

約数の個数: 24

約数和(自身を含む): 61229952

約数和(自身を除く): 32984612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45557, 91114, 182228, 227785, 455570, 911140, 1412267, 2824534, 5649068, 7061335, 14122670, 28245340]

約数ペア:

[(1, 28245340), (2, 14122670), (4, 7061335), (5, 5649068), (10, 2824534), (20, 1412267), (31, 911140), (62, 455570), (124, 227785), (155, 182228), (310, 91114), (620, 45557)]