1820006480

素因数分解:

$2^4\times 5^1\times {\mathrm{22750081}}^1$

素因数の和:22750094

約数の個数: 20

約数和(自身を含む): 4231515252

約数和(自身を除く): 2411508772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22750081, 45500162, 91000324, 113750405, 182000648, 227500810, 364001296, 455001620, 910003240, 1820006480]

約数ペア:

[(1, 1820006480), (2, 910003240), (4, 455001620), (5, 364001296), (8, 227500810), (10, 182000648), (16, 113750405), (20, 91000324), (40, 45500162), (80, 22750081)]