40159910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 86184000

約数和(自身を除く): 46024090

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 1999, 2009, 2870, 3998, 4018, 9995, 10045, 13993, 19990, 20090, 27986, 69965, 81959, 97951, 139930, 163918, 195902, 409795, 489755, 573713, 819590, 979510, 1147426, 2868565, 4015991, 5737130, 8031982, 20079955, 40159910]

約数ペア:

[(1, 40159910), (2, 20079955), (5, 8031982), (7, 5737130), (10, 4015991), (14, 2868565), (35, 1147426), (41, 979510), (49, 819590), (70, 573713), (82, 489755), (98, 409795), (205, 195902), (245, 163918), (287, 139930), (410, 97951), (490, 81959), (574, 69965), (1435, 27986), (1999, 20090), (2009, 19990), (2870, 13993), (3998, 10045), (4018, 9995)]