80255870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 147981600

約数和(自身を除く): 67725730

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 883, 1490, 1766, 4415, 8830, 9089, 18178, 45445, 53863, 90890, 107726, 131567, 263134, 269315, 538630, 657835, 1315670, 8025587, 16051174, 40127935, 80255870]

約数ペア:

[(1, 80255870), (2, 40127935), (5, 16051174), (10, 8025587), (61, 1315670), (122, 657835), (149, 538630), (298, 269315), (305, 263134), (610, 131567), (745, 107726), (883, 90890), (1490, 53863), (1766, 45445), (4415, 18178), (8830, 9089)]