129241520

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2027}}^1$

素因数の和:2837

約数の個数: 40

約数和(自身を含む): 301011984

約数和(自身を除く): 171770464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1594, 2027, 3188, 3985, 4054, 6376, 7970, 8108, 10135, 12752, 15940, 16216, 20270, 31880, 32432, 40540, 63760, 81080, 162160, 1615519, 3231038, 6462076, 8077595, 12924152, 16155190, 25848304, 32310380, 64620760, 129241520]

約数ペア:

[(1, 129241520), (2, 64620760), (4, 32310380), (5, 25848304), (8, 16155190), (10, 12924152), (16, 8077595), (20, 6462076), (40, 3231038), (80, 1615519), (797, 162160), (1594, 81080), (2027, 63760), (3188, 40540), (3985, 32432), (4054, 31880), (6376, 20270), (7970, 16216), (8108, 15940), (10135, 12752)]