55471120

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1049}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 129288600

約数和(自身を除く): 73817480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1049, 1322, 2098, 2644, 3305, 4196, 5245, 5288, 6610, 8392, 10490, 10576, 13220, 16784, 20980, 26440, 41960, 52880, 83920, 693389, 1386778, 2773556, 3466945, 5547112, 6933890, 11094224, 13867780, 27735560, 55471120]

約数ペア:

[(1, 55471120), (2, 27735560), (4, 13867780), (5, 11094224), (8, 6933890), (10, 5547112), (16, 3466945), (20, 2773556), (40, 1386778), (80, 693389), (661, 83920), (1049, 52880), (1322, 41960), (2098, 26440), (2644, 20980), (3305, 16784), (4196, 13220), (5245, 10576), (5288, 10490), (6610, 8392)]