25017440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3191}}^1$

素因数の和:3220

約数の個数: 72

約数和(自身を含む): 68774832

約数和(自身を除く): 43757392

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, 3191, 3920, 6382, 7840, 12764, 15955, 22337, 25528, 31910, 44674, 51056, 63820, 89348, 102112, 111685, 127640, 156359, 178696, 223370, 255280, 312718, 357392, 446740, 510560, 625436, 714784, 781795, 893480, 1250872, 1563590, 1786960, 2501744, 3127180, 3573920, 5003488, 6254360, 12508720, 25017440]

約数ペア:

[(1, 25017440), (2, 12508720), (4, 6254360), (5, 5003488), (7, 3573920), (8, 3127180), (10, 2501744), (14, 1786960), (16, 1563590), (20, 1250872), (28, 893480), (32, 781795), (35, 714784), (40, 625436), (49, 510560), (56, 446740), (70, 357392), (80, 312718), (98, 255280), (112, 223370), (140, 178696), (160, 156359), (196, 127640), (224, 111685), (245, 102112), (280, 89348), (392, 63820), (490, 51056), (560, 44674), (784, 31910), (980, 25528), (1120, 22337), (1568, 15955), (1960, 12764), (3191, 7840), (3920, 6382)]