17125625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 24292224

約数和(自身を除く): 7166599

約数列:

[1, 5, 11, 25, 47, 53, 55, 125, 235, 265, 275, 517, 583, 625, 1175, 1325, 1375, 2491, 2585, 2915, 5875, 6625, 6875, 12455, 12925, 14575, 27401, 29375, 33125, 62275, 64625, 72875, 137005, 311375, 323125, 364375, 685025, 1556875, 3425125, 17125625]

約数ペア:

[(1, 17125625), (5, 3425125), (11, 1556875), (25, 685025), (47, 364375), (53, 323125), (55, 311375), (125, 137005), (235, 72875), (265, 64625), (275, 62275), (517, 33125), (583, 29375), (625, 27401), (1175, 14575), (1325, 12925), (1375, 12455), (2491, 6875), (2585, 6625), (2915, 5875)]