25955000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 63261000

約数和(自身を除く): 37306000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 179, 200, 232, 250, 290, 358, 500, 580, 625, 716, 725, 895, 1000, 1160, 1250, 1432, 1450, 1790, 2500, 2900, 3580, 3625, 4475, 5000, 5191, 5800, 7160, 7250, 8950, 10382, 14500, 17900, 18125, 20764, 22375, 25955, 29000, 35800, 36250, 41528, 44750, 51910, 72500, 89500, 103820, 111875, 129775, 145000, 179000, 207640, 223750, 259550, 447500, 519100, 648875, 895000, 1038200, 1297750, 2595500, 3244375, 5191000, 6488750, 12977500, 25955000]

約数ペア:

[(1, 25955000), (2, 12977500), (4, 6488750), (5, 5191000), (8, 3244375), (10, 2595500), (20, 1297750), (25, 1038200), (29, 895000), (40, 648875), (50, 519100), (58, 447500), (100, 259550), (116, 223750), (125, 207640), (145, 179000), (179, 145000), (200, 129775), (232, 111875), (250, 103820), (290, 89500), (358, 72500), (500, 51910), (580, 44750), (625, 41528), (716, 36250), (725, 35800), (895, 29000), (1000, 25955), (1160, 22375), (1250, 20764), (1432, 18125), (1450, 17900), (1790, 14500), (2500, 10382), (2900, 8950), (3580, 7250), (3625, 7160), (4475, 5800), (5000, 5191)]