2011097320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{290621}}^1$

素因数の和:290805

約数の個数: 32

約数和(自身を含む): 4551140520

約数和(自身を除く): 2540043200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 290621, 581242, 1162484, 1453105, 2324968, 2906210, 5812420, 11624840, 50277433, 100554866, 201109732, 251387165, 402219464, 502774330, 1005548660, 2011097320]

約数ペア:

[(1, 2011097320), (2, 1005548660), (4, 502774330), (5, 402219464), (8, 251387165), (10, 201109732), (20, 100554866), (40, 50277433), (173, 11624840), (346, 5812420), (692, 2906210), (865, 2324968), (1384, 1453105), (1730, 1162484), (3460, 581242), (6920, 290621)]