80293360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20483}}^1$

素因数の和:20510

約数の個数: 60

約数和(自身を含む): 217171368

約数和(自身を除く): 136878008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 20483, 40966, 81932, 102415, 143381, 163864, 204830, 286762, 327728, 409660, 573524, 716905, 819320, 1003667, 1147048, 1433810, 1638640, 2007334, 2294096, 2867620, 4014668, 5018335, 5735240, 8029336, 10036670, 11470480, 16058672, 20073340, 40146680, 80293360]

約数ペア:

[(1, 80293360), (2, 40146680), (4, 20073340), (5, 16058672), (7, 11470480), (8, 10036670), (10, 8029336), (14, 5735240), (16, 5018335), (20, 4014668), (28, 2867620), (35, 2294096), (40, 2007334), (49, 1638640), (56, 1433810), (70, 1147048), (80, 1003667), (98, 819320), (112, 716905), (140, 573524), (196, 409660), (245, 327728), (280, 286762), (392, 204830), (490, 163864), (560, 143381), (784, 102415), (980, 81932), (1960, 40966), (3920, 20483)]