66616625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 97044480

約数和(自身を除く): 30427855

約数列:

[1, 5, 17, 23, 25, 29, 47, 85, 115, 125, 145, 235, 391, 425, 493, 575, 667, 725, 799, 1081, 1175, 1363, 1955, 2125, 2465, 2875, 3335, 3625, 3995, 5405, 5875, 6815, 9775, 11339, 12325, 16675, 18377, 19975, 23171, 27025, 31349, 34075, 48875, 56695, 61625, 83375, 91885, 99875, 115855, 135125, 156745, 170375, 283475, 459425, 532933, 579275, 783725, 1417375, 2297125, 2664665, 2896375, 3918625, 13323325, 66616625]

約数ペア:

[(1, 66616625), (5, 13323325), (17, 3918625), (23, 2896375), (25, 2664665), (29, 2297125), (47, 1417375), (85, 783725), (115, 579275), (125, 532933), (145, 459425), (235, 283475), (391, 170375), (425, 156745), (493, 135125), (575, 115855), (667, 99875), (725, 91885), (799, 83375), (1081, 61625), (1175, 56695), (1363, 48875), (1955, 34075), (2125, 31349), (2465, 27025), (2875, 23171), (3335, 19975), (3625, 18377), (3995, 16675), (5405, 12325), (5875, 11339), (6815, 9775)]