25152680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 67654440

約数和(自身を除く): 42501760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 313, 328, 392, 410, 490, 574, 626, 820, 980, 1148, 1252, 1435, 1565, 1640, 1960, 2009, 2191, 2296, 2504, 2870, 3130, 4018, 4382, 5740, 6260, 8036, 8764, 10045, 10955, 11480, 12520, 12833, 15337, 16072, 17528, 20090, 21910, 25666, 30674, 40180, 43820, 51332, 61348, 64165, 76685, 80360, 87640, 89831, 102664, 122696, 128330, 153370, 179662, 256660, 306740, 359324, 449155, 513320, 613480, 628817, 718648, 898310, 1257634, 1796620, 2515268, 3144085, 3593240, 5030536, 6288170, 12576340, 25152680]

約数ペア:

[(1, 25152680), (2, 12576340), (4, 6288170), (5, 5030536), (7, 3593240), (8, 3144085), (10, 2515268), (14, 1796620), (20, 1257634), (28, 898310), (35, 718648), (40, 628817), (41, 613480), (49, 513320), (56, 449155), (70, 359324), (82, 306740), (98, 256660), (140, 179662), (164, 153370), (196, 128330), (205, 122696), (245, 102664), (280, 89831), (287, 87640), (313, 80360), (328, 76685), (392, 64165), (410, 61348), (490, 51332), (574, 43820), (626, 40180), (820, 30674), (980, 25666), (1148, 21910), (1252, 20090), (1435, 17528), (1565, 16072), (1640, 15337), (1960, 12833), (2009, 12520), (2191, 11480), (2296, 10955), (2504, 10045), (2870, 8764), (3130, 8036), (4018, 6260), (4382, 5740)]