71354240

素因数分解:

$2^7\times 5^1\times {\mathrm{111491}}^1$

素因数の和:111510

約数の個数: 32

約数和(自身を含む): 170582760

約数和(自身を除く): 99228520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111491, 222982, 445964, 557455, 891928, 1114910, 1783856, 2229820, 3567712, 4459640, 7135424, 8919280, 14270848, 17838560, 35677120, 71354240]

約数ペア:

[(1, 71354240), (2, 35677120), (4, 17838560), (5, 14270848), (8, 8919280), (10, 7135424), (16, 4459640), (20, 3567712), (32, 2229820), (40, 1783856), (64, 1114910), (80, 891928), (128, 557455), (160, 445964), (320, 222982), (640, 111491)]