1933997680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{396311}}^1$

素因数の和:396385

約数の個数: 40

約数和(自身を含む): 4570269984

約数和(自身を除く): 2636272304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 396311, 792622, 1585244, 1981555, 3170488, 3963110, 6340976, 7926220, 15852440, 24174971, 31704880, 48349942, 96699884, 120874855, 193399768, 241749710, 386799536, 483499420, 966998840, 1933997680]

約数ペア:

[(1, 1933997680), (2, 966998840), (4, 483499420), (5, 386799536), (8, 241749710), (10, 193399768), (16, 120874855), (20, 96699884), (40, 48349942), (61, 31704880), (80, 24174971), (122, 15852440), (244, 7926220), (305, 6340976), (488, 3963110), (610, 3170488), (976, 1981555), (1220, 1585244), (2440, 792622), (4880, 396311)]