79648640

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1399

約数の個数: 64

約数和(自身を含む): 192522960

約数和(自身を除く): 112874320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1283, 1552, 1940, 2566, 3104, 3880, 5132, 6208, 6415, 7760, 10264, 12416, 12830, 15520, 20528, 25660, 31040, 41056, 51320, 62080, 82112, 102640, 124451, 164224, 205280, 248902, 410560, 497804, 622255, 821120, 995608, 1244510, 1991216, 2489020, 3982432, 4978040, 7964864, 9956080, 15929728, 19912160, 39824320, 79648640]

約数ペア:

[(1, 79648640), (2, 39824320), (4, 19912160), (5, 15929728), (8, 9956080), (10, 7964864), (16, 4978040), (20, 3982432), (32, 2489020), (40, 1991216), (64, 1244510), (80, 995608), (97, 821120), (128, 622255), (160, 497804), (194, 410560), (320, 248902), (388, 205280), (485, 164224), (640, 124451), (776, 102640), (970, 82112), (1283, 62080), (1552, 51320), (1940, 41056), (2566, 31040), (3104, 25660), (3880, 20528), (5132, 15520), (6208, 12830), (6415, 12416), (7760, 10264)]