8149720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2791}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 18594720

約数和(自身を除く): 10445000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2791, 2920, 5582, 11164, 13955, 22328, 27910, 55820, 111640, 203743, 407486, 814972, 1018715, 1629944, 2037430, 4074860, 8149720]

約数ペア:

[(1, 8149720), (2, 4074860), (4, 2037430), (5, 1629944), (8, 1018715), (10, 814972), (20, 407486), (40, 203743), (73, 111640), (146, 55820), (292, 27910), (365, 22328), (584, 13955), (730, 11164), (1460, 5582), (2791, 2920)]