51810640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13217}}^1$

素因数の和:13244

約数の個数: 60

約数和(自身を含む): 140137236

約数和(自身を除く): 88326596

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13217, 26434, 52868, 66085, 92519, 105736, 132170, 185038, 211472, 264340, 370076, 462595, 528680, 647633, 740152, 925190, 1057360, 1295266, 1480304, 1850380, 2590532, 3238165, 3700760, 5181064, 6476330, 7401520, 10362128, 12952660, 25905320, 51810640]

約数ペア:

[(1, 51810640), (2, 25905320), (4, 12952660), (5, 10362128), (7, 7401520), (8, 6476330), (10, 5181064), (14, 3700760), (16, 3238165), (20, 2590532), (28, 1850380), (35, 1480304), (40, 1295266), (49, 1057360), (56, 925190), (70, 740152), (80, 647633), (98, 528680), (112, 462595), (140, 370076), (196, 264340), (245, 211472), (280, 185038), (392, 132170), (490, 105736), (560, 92519), (784, 66085), (980, 52868), (1960, 26434), (3920, 13217)]