25213125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 51283584

約数和(自身を除く): 26070459

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 113, 119, 125, 175, 255, 339, 357, 375, 425, 525, 565, 595, 625, 791, 875, 1275, 1695, 1785, 1875, 1921, 2125, 2373, 2625, 2825, 2975, 3955, 4375, 5763, 6375, 8475, 8925, 9605, 10625, 11865, 13125, 13447, 14125, 14875, 19775, 28815, 31875, 40341, 42375, 44625, 48025, 59325, 67235, 70625, 74375, 98875, 144075, 201705, 211875, 223125, 240125, 296625, 336175, 494375, 720375, 1008525, 1200625, 1483125, 1680875, 3601875, 5042625, 8404375, 25213125]

約数ペア:

[(1, 25213125), (3, 8404375), (5, 5042625), (7, 3601875), (15, 1680875), (17, 1483125), (21, 1200625), (25, 1008525), (35, 720375), (51, 494375), (75, 336175), (85, 296625), (105, 240125), (113, 223125), (119, 211875), (125, 201705), (175, 144075), (255, 98875), (339, 74375), (357, 70625), (375, 67235), (425, 59325), (525, 48025), (565, 44625), (595, 42375), (625, 40341), (791, 31875), (875, 28815), (1275, 19775), (1695, 14875), (1785, 14125), (1875, 13447), (1921, 13125), (2125, 11865), (2373, 10625), (2625, 9605), (2825, 8925), (2975, 8475), (3955, 6375), (4375, 5763)]