89549440

素因数分解:

$2^7\times 5^1\times {\mathrm{139921}}^1$

素因数の和:139940

約数の個数: 32

約数和(自身を含む): 214080660

約数和(自身を除く): 124531220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 139921, 279842, 559684, 699605, 1119368, 1399210, 2238736, 2798420, 4477472, 5596840, 8954944, 11193680, 17909888, 22387360, 44774720, 89549440]

約数ペア:

[(1, 89549440), (2, 44774720), (4, 22387360), (5, 17909888), (8, 11193680), (10, 8954944), (16, 5596840), (20, 4477472), (32, 2798420), (40, 2238736), (64, 1399210), (80, 1119368), (128, 699605), (160, 559684), (320, 279842), (640, 139921)]