39972080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8265

約数の個数: 40

約数和(自身を含む): 94470144

約数和(自身を除く): 54498064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8191, 16382, 32764, 40955, 65528, 81910, 131056, 163820, 327640, 499651, 655280, 999302, 1998604, 2498255, 3997208, 4996510, 7994416, 9993020, 19986040, 39972080]

約数ペア:

[(1, 39972080), (2, 19986040), (4, 9993020), (5, 7994416), (8, 4996510), (10, 3997208), (16, 2498255), (20, 1998604), (40, 999302), (61, 655280), (80, 499651), (122, 327640), (244, 163820), (305, 131056), (488, 81910), (610, 65528), (976, 40955), (1220, 32764), (2440, 16382), (4880, 8191)]