2018442760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{385199}}^1$

素因数の和:385341

約数の個数: 32

約数和(自身を含む): 4576176000

約数和(自身を除く): 2557733240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 385199, 770398, 1540796, 1925995, 3081592, 3851990, 7703980, 15407960, 50461069, 100922138, 201844276, 252305345, 403688552, 504610690, 1009221380, 2018442760]

約数ペア:

[(1, 2018442760), (2, 1009221380), (4, 504610690), (5, 403688552), (8, 252305345), (10, 201844276), (20, 100922138), (40, 50461069), (131, 15407960), (262, 7703980), (524, 3851990), (655, 3081592), (1048, 1925995), (1310, 1540796), (2620, 770398), (5240, 385199)]