65547625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 101687040

約数和(自身を除く): 36139415

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 125, 143, 193, 209, 247, 275, 325, 475, 715, 965, 1045, 1235, 1375, 1625, 2123, 2375, 2509, 2717, 3575, 3667, 4825, 5225, 6175, 10615, 12545, 13585, 17875, 18335, 24125, 26125, 27599, 30875, 40337, 47671, 53075, 62725, 67925, 91675, 137995, 201685, 238355, 265375, 313625, 339625, 458375, 524381, 689975, 1008425, 1191775, 2621905, 3449875, 5042125, 5958875, 13109525, 65547625]

約数ペア:

[(1, 65547625), (5, 13109525), (11, 5958875), (13, 5042125), (19, 3449875), (25, 2621905), (55, 1191775), (65, 1008425), (95, 689975), (125, 524381), (143, 458375), (193, 339625), (209, 313625), (247, 265375), (275, 238355), (325, 201685), (475, 137995), (715, 91675), (965, 67925), (1045, 62725), (1235, 53075), (1375, 47671), (1625, 40337), (2123, 30875), (2375, 27599), (2509, 26125), (2717, 24125), (3575, 18335), (3667, 17875), (4825, 13585), (5225, 12545), (6175, 10615)]