25304825

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 14275975

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 227, 245, 325, 343, 455, 637, 1135, 1225, 1589, 1715, 2275, 2951, 3185, 4459, 5675, 7945, 8575, 11123, 14755, 15925, 20657, 22295, 39725, 55615, 73775, 77861, 103285, 111475, 144599, 278075, 389305, 516425, 722995, 1012193, 1946525, 3614975, 5060965, 25304825]

約数ペア:

[(1, 25304825), (5, 5060965), (7, 3614975), (13, 1946525), (25, 1012193), (35, 722995), (49, 516425), (65, 389305), (91, 278075), (175, 144599), (227, 111475), (245, 103285), (325, 77861), (343, 73775), (455, 55615), (637, 39725), (1135, 22295), (1225, 20657), (1589, 15925), (1715, 14755), (2275, 11123), (2951, 8575), (3185, 7945), (4459, 5675)]