25880625

素因数分解:

$3^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 60

約数和(自身を含む): 48247056

約数和(自身を除く): 22366431

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 107, 125, 129, 215, 225, 321, 375, 387, 535, 625, 645, 963, 1075, 1125, 1605, 1875, 1935, 2675, 3225, 4601, 4815, 5375, 5625, 8025, 9675, 13375, 13803, 16125, 23005, 24075, 26875, 40125, 41409, 48375, 66875, 69015, 80625, 115025, 120375, 200625, 207045, 241875, 345075, 575125, 601875, 1035225, 1725375, 2875625, 5176125, 8626875, 25880625]

約数ペア:

[(1, 25880625), (3, 8626875), (5, 5176125), (9, 2875625), (15, 1725375), (25, 1035225), (43, 601875), (45, 575125), (75, 345075), (107, 241875), (125, 207045), (129, 200625), (215, 120375), (225, 115025), (321, 80625), (375, 69015), (387, 66875), (535, 48375), (625, 41409), (645, 40125), (963, 26875), (1075, 24075), (1125, 23005), (1605, 16125), (1875, 13803), (1935, 13375), (2675, 9675), (3225, 8025), (4601, 5625), (4815, 5375)]