202144760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{123259}}^1$

素因数の和:123311

約数の個数: 32

約数和(自身を含む): 465922800

約数和(自身を除く): 263778040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 123259, 246518, 493036, 616295, 986072, 1232590, 2465180, 4930360, 5053619, 10107238, 20214476, 25268095, 40428952, 50536190, 101072380, 202144760]

約数ペア:

[(1, 202144760), (2, 101072380), (4, 50536190), (5, 40428952), (8, 25268095), (10, 20214476), (20, 10107238), (40, 5053619), (41, 4930360), (82, 2465180), (164, 1232590), (205, 986072), (328, 616295), (410, 493036), (820, 246518), (1640, 123259)]