172220080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35291}}^1$

素因数の和:35365

約数の個数: 40

約数和(自身を含む): 406987344

約数和(自身を除く): 234767264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 35291, 70582, 141164, 176455, 282328, 352910, 564656, 705820, 1411640, 2152751, 2823280, 4305502, 8611004, 10763755, 17222008, 21527510, 34444016, 43055020, 86110040, 172220080]

約数ペア:

[(1, 172220080), (2, 86110040), (4, 43055020), (5, 34444016), (8, 21527510), (10, 17222008), (16, 10763755), (20, 8611004), (40, 4305502), (61, 2823280), (80, 2152751), (122, 1411640), (244, 705820), (305, 564656), (488, 352910), (610, 282328), (976, 176455), (1220, 141164), (2440, 70582), (4880, 35291)]