90074240

素因数分解:

$2^7\times 5^1\times {\mathrm{140741}}^1$

素因数の和:140760

約数の個数: 32

約数和(自身を含む): 215335260

約数和(自身を除く): 125261020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 140741, 281482, 562964, 703705, 1125928, 1407410, 2251856, 2814820, 4503712, 5629640, 9007424, 11259280, 18014848, 22518560, 45037120, 90074240]

約数ペア:

[(1, 90074240), (2, 45037120), (4, 22518560), (5, 18014848), (8, 11259280), (10, 9007424), (16, 5629640), (20, 4503712), (32, 2814820), (40, 2251856), (64, 1407410), (80, 1125928), (128, 703705), (160, 562964), (320, 281482), (640, 140741)]