25866020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 55977600

約数和(自身を除く): 30111580

約数列:

[1, 2, 4, 5, 10, 20, 67, 97, 134, 194, 199, 268, 335, 388, 398, 485, 670, 796, 970, 995, 1340, 1940, 1990, 3980, 6499, 12998, 13333, 19303, 25996, 26666, 32495, 38606, 53332, 64990, 66665, 77212, 96515, 129980, 133330, 193030, 266660, 386060, 1293301, 2586602, 5173204, 6466505, 12933010, 25866020]

約数ペア:

[(1, 25866020), (2, 12933010), (4, 6466505), (5, 5173204), (10, 2586602), (20, 1293301), (67, 386060), (97, 266660), (134, 193030), (194, 133330), (199, 129980), (268, 96515), (335, 77212), (388, 66665), (398, 64990), (485, 53332), (670, 38606), (796, 32495), (970, 26666), (995, 25996), (1340, 19303), (1940, 13333), (1990, 12998), (3980, 6499)]