77139760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9547}}^1$

素因数の和:9661

約数の個数: 40

約数和(自身を含む): 181144656

約数和(自身を除く): 104004896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 9547, 19094, 38188, 47735, 76376, 95470, 152752, 190940, 381880, 763760, 964247, 1928494, 3856988, 4821235, 7713976, 9642470, 15427952, 19284940, 38569880, 77139760]

約数ペア:

[(1, 77139760), (2, 38569880), (4, 19284940), (5, 15427952), (8, 9642470), (10, 7713976), (16, 4821235), (20, 3856988), (40, 1928494), (80, 964247), (101, 763760), (202, 381880), (404, 190940), (505, 152752), (808, 95470), (1010, 76376), (1616, 47735), (2020, 38188), (4040, 19094), (8080, 9547)]