81801650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12301}}^1$

素因数の和:12339

約数の個数: 48

約数和(自身を含む): 183053760

約数和(自身を除く): 101252110

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3325, 6650, 12301, 24602, 61505, 86107, 123010, 172214, 233719, 307525, 430535, 467438, 615050, 861070, 1168595, 1636033, 2152675, 2337190, 3272066, 4305350, 5842975, 8180165, 11685950, 16360330, 40900825, 81801650]

約数ペア:

[(1, 81801650), (2, 40900825), (5, 16360330), (7, 11685950), (10, 8180165), (14, 5842975), (19, 4305350), (25, 3272066), (35, 2337190), (38, 2152675), (50, 1636033), (70, 1168595), (95, 861070), (133, 615050), (175, 467438), (190, 430535), (266, 307525), (350, 233719), (475, 172214), (665, 123010), (950, 86107), (1330, 61505), (3325, 24602), (6650, 12301)]