2010040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 4671360

約数和(自身を除く): 2661320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1621, 3242, 6484, 8105, 12968, 16210, 32420, 50251, 64840, 100502, 201004, 251255, 402008, 502510, 1005020, 2010040]

約数ペア:

[(1, 2010040), (2, 1005020), (4, 502510), (5, 402008), (8, 251255), (10, 201004), (20, 100502), (31, 64840), (40, 50251), (62, 32420), (124, 16210), (155, 12968), (248, 8105), (310, 6484), (620, 3242), (1240, 1621)]