51915440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17539}}^1$

素因数の和:17589

約数の個数: 40

約数和(自身を含む): 123972720

約数和(自身を除く): 72057280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 17539, 35078, 70156, 87695, 140312, 175390, 280624, 350780, 648943, 701560, 1297886, 1403120, 2595772, 3244715, 5191544, 6489430, 10383088, 12978860, 25957720, 51915440]

約数ペア:

[(1, 51915440), (2, 25957720), (4, 12978860), (5, 10383088), (8, 6489430), (10, 5191544), (16, 3244715), (20, 2595772), (37, 1403120), (40, 1297886), (74, 701560), (80, 648943), (148, 350780), (185, 280624), (296, 175390), (370, 140312), (592, 87695), (740, 70156), (1480, 35078), (2960, 17539)]