2100051440

素因数分解:

$2^4\times 5^1\times {\mathrm{26250643}}^1$

素因数の和:26250656

約数の個数: 20

約数和(自身を含む): 4882619784

約数和(自身を除く): 2782568344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26250643, 52501286, 105002572, 131253215, 210005144, 262506430, 420010288, 525012860, 1050025720, 2100051440]

約数ペア:

[(1, 2100051440), (2, 1050025720), (4, 525012860), (5, 420010288), (8, 262506430), (10, 210005144), (16, 131253215), (20, 105002572), (40, 52501286), (80, 26250643)]