40171964

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4999}}^1$

素因数の和:5058

約数の個数: 36

約数和(自身を含む): 83790000

約数和(自身を除く): 43618036

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 4999, 8036, 9998, 19996, 34993, 69986, 139972, 204959, 244951, 409918, 489902, 819836, 979804, 1434713, 2869426, 5738852, 10042991, 20085982, 40171964]

約数ペア:

[(1, 40171964), (2, 20085982), (4, 10042991), (7, 5738852), (14, 2869426), (28, 1434713), (41, 979804), (49, 819836), (82, 489902), (98, 409918), (164, 244951), (196, 204959), (287, 139972), (574, 69986), (1148, 34993), (2009, 19996), (4018, 9998), (4999, 8036)]