25385620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 32473580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 599, 652, 815, 1198, 1630, 2119, 2396, 2995, 3260, 4238, 5990, 7787, 8476, 10595, 11980, 15574, 21190, 31148, 38935, 42380, 77870, 97637, 155740, 195274, 390548, 488185, 976370, 1269281, 1952740, 2538562, 5077124, 6346405, 12692810, 25385620]

約数ペア:

[(1, 25385620), (2, 12692810), (4, 6346405), (5, 5077124), (10, 2538562), (13, 1952740), (20, 1269281), (26, 976370), (52, 488185), (65, 390548), (130, 195274), (163, 155740), (260, 97637), (326, 77870), (599, 42380), (652, 38935), (815, 31148), (1198, 21190), (1630, 15574), (2119, 11980), (2396, 10595), (2995, 8476), (3260, 7787), (4238, 5990)]