7829840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 18410280

約数和(自身を除く): 10580440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1009, 1552, 1940, 2018, 3880, 4036, 5045, 7760, 8072, 10090, 16144, 20180, 40360, 80720, 97873, 195746, 391492, 489365, 782984, 978730, 1565968, 1957460, 3914920, 7829840]

約数ペア:

[(1, 7829840), (2, 3914920), (4, 1957460), (5, 1565968), (8, 978730), (10, 782984), (16, 489365), (20, 391492), (40, 195746), (80, 97873), (97, 80720), (194, 40360), (388, 20180), (485, 16144), (776, 10090), (970, 8072), (1009, 7760), (1552, 5045), (1940, 4036), (2018, 3880)]