81809650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2927}}^1$

素因数の和:2995

約数の個数: 48

約数和(自身を含む): 167739264

約数和(自身を除く): 85929614

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 2150, 2795, 2927, 5590, 5854, 13975, 14635, 27950, 29270, 38051, 73175, 76102, 125861, 146350, 190255, 251722, 380510, 629305, 951275, 1258610, 1636193, 1902550, 3146525, 3272386, 6293050, 8180965, 16361930, 40904825, 81809650]

約数ペア:

[(1, 81809650), (2, 40904825), (5, 16361930), (10, 8180965), (13, 6293050), (25, 3272386), (26, 3146525), (43, 1902550), (50, 1636193), (65, 1258610), (86, 951275), (130, 629305), (215, 380510), (325, 251722), (430, 190255), (559, 146350), (650, 125861), (1075, 76102), (1118, 73175), (2150, 38051), (2795, 29270), (2927, 27950), (5590, 14635), (5854, 13975)]