77831480

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2633}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 175424400

約数和(自身を除く): 97592920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2633, 2956, 3695, 5266, 5912, 7390, 10532, 13165, 14780, 21064, 26330, 29560, 52660, 105320, 1945787, 3891574, 7783148, 9728935, 15566296, 19457870, 38915740, 77831480]

約数ペア:

[(1, 77831480), (2, 38915740), (4, 19457870), (5, 15566296), (8, 9728935), (10, 7783148), (20, 3891574), (40, 1945787), (739, 105320), (1478, 52660), (2633, 29560), (2956, 26330), (3695, 21064), (5266, 14780), (5912, 13165), (7390, 10532)]