80428240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43711}}^1$

素因数の和:43747

約数の個数: 40

約数和(自身を含む): 195130368

約数和(自身を除く): 114702128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 43711, 87422, 174844, 218555, 349688, 437110, 699376, 874220, 1005353, 1748440, 2010706, 3496880, 4021412, 5026765, 8042824, 10053530, 16085648, 20107060, 40214120, 80428240]

約数ペア:

[(1, 80428240), (2, 40214120), (4, 20107060), (5, 16085648), (8, 10053530), (10, 8042824), (16, 5026765), (20, 4021412), (23, 3496880), (40, 2010706), (46, 1748440), (80, 1005353), (92, 874220), (115, 699376), (184, 437110), (230, 349688), (368, 218555), (460, 174844), (920, 87422), (1840, 43711)]