201727640

素因数分解:

$2^3\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2819}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 454302000

約数和(自身を除く): 252574360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1789, 2819, 3578, 5638, 7156, 8945, 11276, 14095, 14312, 17890, 22552, 28190, 35780, 56380, 71560, 112760, 5043191, 10086382, 20172764, 25215955, 40345528, 50431910, 100863820, 201727640]

約数ペア:

[(1, 201727640), (2, 100863820), (4, 50431910), (5, 40345528), (8, 25215955), (10, 20172764), (20, 10086382), (40, 5043191), (1789, 112760), (2819, 71560), (3578, 56380), (5638, 35780), (7156, 28190), (8945, 22552), (11276, 17890), (14095, 14312)]