2165295890

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{210019}}^1$

素因数の和:211057

約数の個数: 16

約数和(自身を含む): 3901331520

約数和(自身を除く): 1736035630

約数列:

[1, 2, 5, 10, 1031, 2062, 5155, 10310, 210019, 420038, 1050095, 2100190, 216529589, 433059178, 1082647945, 2165295890]

約数ペア:

[(1, 2165295890), (2, 1082647945), (5, 433059178), (10, 216529589), (1031, 2100190), (2062, 1050095), (5155, 420038), (10310, 210019)]