78710960

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1493}}^1$

素因数の和:2165

約数の個数: 40

約数和(自身を含む): 183403440

約数和(自身を除く): 104692480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 1493, 2636, 2986, 3295, 5272, 5972, 6590, 7465, 10544, 11944, 13180, 14930, 23888, 26360, 29860, 52720, 59720, 119440, 983887, 1967774, 3935548, 4919435, 7871096, 9838870, 15742192, 19677740, 39355480, 78710960]

約数ペア:

[(1, 78710960), (2, 39355480), (4, 19677740), (5, 15742192), (8, 9838870), (10, 7871096), (16, 4919435), (20, 3935548), (40, 1967774), (80, 983887), (659, 119440), (1318, 59720), (1493, 52720), (2636, 29860), (2986, 26360), (3295, 23888), (5272, 14930), (5972, 13180), (6590, 11944), (7465, 10544)]