77552140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{23789}}^1$

素因数の和:23961

約数の個数: 24

約数和(自身を含む): 163865520

約数和(自身を除く): 86313380

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 23789, 47578, 95156, 118945, 237890, 475780, 3877607, 7755214, 15510428, 19388035, 38776070, 77552140]

約数ペア:

[(1, 77552140), (2, 38776070), (4, 19388035), (5, 15510428), (10, 7755214), (20, 3877607), (163, 475780), (326, 237890), (652, 118945), (815, 95156), (1630, 47578), (3260, 23789)]