628368560

素因数分解:

$2^4\times 5^1\times {\mathrm{7854607}}^1$

素因数の和:7854620

約数の個数: 20

約数和(自身を含む): 1460957088

約数和(自身を除く): 832588528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7854607, 15709214, 31418428, 39273035, 62836856, 78546070, 125673712, 157092140, 314184280, 628368560]

約数ペア:

[(1, 628368560), (2, 314184280), (4, 157092140), (5, 125673712), (8, 78546070), (10, 62836856), (16, 39273035), (20, 31418428), (40, 15709214), (80, 7854607)]