81957520

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12343}}^1$

素因数の和:12439

約数の個数: 40

約数和(自身を含む): 192862656

約数和(自身を除く): 110905136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 12343, 24686, 49372, 61715, 98744, 123430, 197488, 246860, 493720, 987440, 1024469, 2048938, 4097876, 5122345, 8195752, 10244690, 16391504, 20489380, 40978760, 81957520]

約数ペア:

[(1, 81957520), (2, 40978760), (4, 20489380), (5, 16391504), (8, 10244690), (10, 8195752), (16, 5122345), (20, 4097876), (40, 2048938), (80, 1024469), (83, 987440), (166, 493720), (332, 246860), (415, 197488), (664, 123430), (830, 98744), (1328, 61715), (1660, 49372), (3320, 24686), (6640, 12343)]