80560988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28649}}^1$

素因数の和:28709

約数の個数: 24

約数和(自身を含む): 152418000

約数和(自身を除く): 71857012

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 28649, 57298, 114596, 544331, 1060013, 1088662, 2120026, 2177324, 4240052, 20140247, 40280494, 80560988]

約数ペア:

[(1, 80560988), (2, 40280494), (4, 20140247), (19, 4240052), (37, 2177324), (38, 2120026), (74, 1088662), (76, 1060013), (148, 544331), (703, 114596), (1406, 57298), (2812, 28649)]