54720820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35533}}^1$

素因数の和:35560

約数の個数: 48

約数和(自身を含む): 143273088

約数和(自身を除く): 88552268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 35533, 71066, 142132, 177665, 248731, 355330, 390863, 497462, 710660, 781726, 994924, 1243655, 1563452, 1954315, 2487310, 2736041, 3908630, 4974620, 5472082, 7817260, 10944164, 13680205, 27360410, 54720820]

約数ペア:

[(1, 54720820), (2, 27360410), (4, 13680205), (5, 10944164), (7, 7817260), (10, 5472082), (11, 4974620), (14, 3908630), (20, 2736041), (22, 2487310), (28, 1954315), (35, 1563452), (44, 1243655), (55, 994924), (70, 781726), (77, 710660), (110, 497462), (140, 390863), (154, 355330), (220, 248731), (308, 177665), (385, 142132), (770, 71066), (1540, 35533)]