40782680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 96949440

約数和(自身を除く): 56166760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 230, 388, 457, 460, 485, 776, 914, 920, 970, 1828, 1940, 2231, 2285, 3656, 3880, 4462, 4570, 8924, 9140, 10511, 11155, 17848, 18280, 21022, 22310, 42044, 44329, 44620, 52555, 84088, 88658, 89240, 105110, 177316, 210220, 221645, 354632, 420440, 443290, 886580, 1019567, 1773160, 2039134, 4078268, 5097835, 8156536, 10195670, 20391340, 40782680]

約数ペア:

[(1, 40782680), (2, 20391340), (4, 10195670), (5, 8156536), (8, 5097835), (10, 4078268), (20, 2039134), (23, 1773160), (40, 1019567), (46, 886580), (92, 443290), (97, 420440), (115, 354632), (184, 221645), (194, 210220), (230, 177316), (388, 105110), (457, 89240), (460, 88658), (485, 84088), (776, 52555), (914, 44620), (920, 44329), (970, 42044), (1828, 22310), (1940, 21022), (2231, 18280), (2285, 17848), (3656, 11155), (3880, 10511), (4462, 9140), (4570, 8924)]