9979508720

素因数分解:

$2^4\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{123143}}^1$

素因数の和:124169

約数の個数: 40

約数和(自身を含む): 23225450976

約数和(自身を除く): 13245942256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1013, 2026, 4052, 5065, 8104, 10130, 16208, 20260, 40520, 81040, 123143, 246286, 492572, 615715, 985144, 1231430, 1970288, 2462860, 4925720, 9851440, 124743859, 249487718, 498975436, 623719295, 997950872, 1247438590, 1995901744, 2494877180, 4989754360, 9979508720]

約数ペア:

[(1, 9979508720), (2, 4989754360), (4, 2494877180), (5, 1995901744), (8, 1247438590), (10, 997950872), (16, 623719295), (20, 498975436), (40, 249487718), (80, 124743859), (1013, 9851440), (2026, 4925720), (4052, 2462860), (5065, 1970288), (8104, 1231430), (10130, 985144), (16208, 615715), (20260, 492572), (40520, 246286), (81040, 123143)]