25973920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3313}}^1$

素因数の和:3342

約数の個数: 72

約数和(自身を含む): 71403444

約数和(自身を除く): 45429524

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3313, 3920, 6626, 7840, 13252, 16565, 23191, 26504, 33130, 46382, 53008, 66260, 92764, 106016, 115955, 132520, 162337, 185528, 231910, 265040, 324674, 371056, 463820, 530080, 649348, 742112, 811685, 927640, 1298696, 1623370, 1855280, 2597392, 3246740, 3710560, 5194784, 6493480, 12986960, 25973920]

約数ペア:

[(1, 25973920), (2, 12986960), (4, 6493480), (5, 5194784), (7, 3710560), (8, 3246740), (10, 2597392), (14, 1855280), (16, 1623370), (20, 1298696), (28, 927640), (32, 811685), (35, 742112), (40, 649348), (49, 530080), (56, 463820), (70, 371056), (80, 324674), (98, 265040), (112, 231910), (140, 185528), (160, 162337), (196, 132520), (224, 115955), (245, 106016), (280, 92764), (392, 66260), (490, 53008), (560, 46382), (784, 33130), (980, 26504), (1120, 23191), (1568, 16565), (1960, 13252), (3313, 7840), (3920, 6626)]