202220680

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{22271}}^1$

素因数の和:22509

約数の個数: 32

約数和(自身を含む): 457021440

約数和(自身を除く): 254800760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 22271, 44542, 89084, 111355, 178168, 222710, 445420, 890840, 5055517, 10111034, 20222068, 25277585, 40444136, 50555170, 101110340, 202220680]

約数ペア:

[(1, 202220680), (2, 101110340), (4, 50555170), (5, 40444136), (8, 25277585), (10, 20222068), (20, 10111034), (40, 5055517), (227, 890840), (454, 445420), (908, 222710), (1135, 178168), (1816, 111355), (2270, 89084), (4540, 44542), (9080, 22271)]