2038105840

素因数分解:

$2^4\times 5^1\times {\mathrm{25476323}}^1$

素因数の和:25476336

約数の個数: 20

約数和(自身を含む): 4738596264

約数和(自身を除く): 2700490424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25476323, 50952646, 101905292, 127381615, 203810584, 254763230, 407621168, 509526460, 1019052920, 2038105840]

約数ペア:

[(1, 2038105840), (2, 1019052920), (4, 509526460), (5, 407621168), (8, 254763230), (10, 203810584), (16, 127381615), (20, 101905292), (40, 50952646), (80, 25476323)]