409289920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98387}}^1$

素因数の和:98417

約数の個数: 56

約数和(自身を含む): 1049603184

約数和(自身を除く): 640313264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 98387, 196774, 393548, 491935, 787096, 983870, 1279031, 1574192, 1967740, 2558062, 3148384, 3935480, 5116124, 6296768, 6395155, 7870960, 10232248, 12790310, 15741920, 20464496, 25580620, 31483840, 40928992, 51161240, 81857984, 102322480, 204644960, 409289920]

約数ペア:

[(1, 409289920), (2, 204644960), (4, 102322480), (5, 81857984), (8, 51161240), (10, 40928992), (13, 31483840), (16, 25580620), (20, 20464496), (26, 15741920), (32, 12790310), (40, 10232248), (52, 7870960), (64, 6395155), (65, 6296768), (80, 5116124), (104, 3935480), (130, 3148384), (160, 2558062), (208, 1967740), (260, 1574192), (320, 1279031), (416, 983870), (520, 787096), (832, 491935), (1040, 393548), (2080, 196774), (4160, 98387)]