202047320

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{4957}}^1$

素因数の和:5987

約数の個数: 32

約数和(自身を含む): 455144400

約数和(自身を除く): 253097080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4076, 4957, 5095, 8152, 9914, 10190, 19828, 20380, 24785, 39656, 40760, 49570, 99140, 198280, 5051183, 10102366, 20204732, 25255915, 40409464, 50511830, 101023660, 202047320]

約数ペア:

[(1, 202047320), (2, 101023660), (4, 50511830), (5, 40409464), (8, 25255915), (10, 20204732), (20, 10102366), (40, 5051183), (1019, 198280), (2038, 99140), (4076, 49570), (4957, 40760), (5095, 39656), (8152, 24785), (9914, 20380), (10190, 19828)]