7207280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3953

約数の個数: 40

約数和(自身を含む): 17489952

約数和(自身を除く): 10282672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 3917, 7834, 15668, 19585, 31336, 39170, 62672, 78340, 90091, 156680, 180182, 313360, 360364, 450455, 720728, 900910, 1441456, 1801820, 3603640, 7207280]

約数ペア:

[(1, 7207280), (2, 3603640), (4, 1801820), (5, 1441456), (8, 900910), (10, 720728), (16, 450455), (20, 360364), (23, 313360), (40, 180182), (46, 156680), (80, 90091), (92, 78340), (115, 62672), (184, 39170), (230, 31336), (368, 19585), (460, 15668), (920, 7834), (1840, 3917)]