90718640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8929}}^1$

素因数の和:9069

約数の個数: 40

約数和(自身を含む): 212605440

約数和(自身を除く): 121886800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 8929, 10160, 17858, 35716, 44645, 71432, 89290, 142864, 178580, 357160, 714320, 1133983, 2267966, 4535932, 5669915, 9071864, 11339830, 18143728, 22679660, 45359320, 90718640]

約数ペア:

[(1, 90718640), (2, 45359320), (4, 22679660), (5, 18143728), (8, 11339830), (10, 9071864), (16, 5669915), (20, 4535932), (40, 2267966), (80, 1133983), (127, 714320), (254, 357160), (508, 178580), (635, 142864), (1016, 89290), (1270, 71432), (2032, 44645), (2540, 35716), (5080, 17858), (8929, 10160)]