25578032

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 51202080

約数和(自身を除く): 25624048

約数列:

[1, 2, 4, 8, 16, 61, 73, 122, 146, 244, 292, 359, 488, 584, 718, 976, 1168, 1436, 2872, 4453, 5744, 8906, 17812, 21899, 26207, 35624, 43798, 52414, 71248, 87596, 104828, 175192, 209656, 350384, 419312, 1598627, 3197254, 6394508, 12789016, 25578032]

約数ペア:

[(1, 25578032), (2, 12789016), (4, 6394508), (8, 3197254), (16, 1598627), (61, 419312), (73, 350384), (122, 209656), (146, 175192), (244, 104828), (292, 87596), (359, 71248), (488, 52414), (584, 43798), (718, 35624), (976, 26207), (1168, 21899), (1436, 17812), (2872, 8906), (4453, 5744)]