2105860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 4487616

約数和(自身を除く): 2381756

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1483, 2966, 5932, 7415, 14830, 29660, 105293, 210586, 421172, 526465, 1052930, 2105860]

約数ペア:

[(1, 2105860), (2, 1052930), (4, 526465), (5, 421172), (10, 210586), (20, 105293), (71, 29660), (142, 14830), (284, 7415), (355, 5932), (710, 2966), (1420, 1483)]