77638760

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2347}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 174972960

約数和(自身を除く): 97334200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 2347, 3308, 4135, 4694, 6616, 8270, 9388, 11735, 16540, 18776, 23470, 33080, 46940, 93880, 1940969, 3881938, 7763876, 9704845, 15527752, 19409690, 38819380, 77638760]

約数ペア:

[(1, 77638760), (2, 38819380), (4, 19409690), (5, 15527752), (8, 9704845), (10, 7763876), (20, 3881938), (40, 1940969), (827, 93880), (1654, 46940), (2347, 33080), (3308, 23470), (4135, 18776), (4694, 16540), (6616, 11735), (8270, 9388)]