2537980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 5381712

約数和(自身を除く): 2843732

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1123, 1130, 2246, 2260, 4492, 5615, 11230, 22460, 126899, 253798, 507596, 634495, 1268990, 2537980]

約数ペア:

[(1, 2537980), (2, 1268990), (4, 634495), (5, 507596), (10, 253798), (20, 126899), (113, 22460), (226, 11230), (452, 5615), (565, 4492), (1123, 2260), (1130, 2246)]