64887500

素因数分解:

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

素因数の和:237

約数の個数: 72

約数和(自身を含む): 147646800

約数和(自身を除く): 82759300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 179, 250, 290, 358, 500, 580, 625, 716, 725, 895, 1250, 1450, 1790, 2500, 2900, 3125, 3580, 3625, 4475, 5191, 6250, 7250, 8950, 10382, 12500, 14500, 17900, 18125, 20764, 22375, 25955, 36250, 44750, 51910, 72500, 89500, 90625, 103820, 111875, 129775, 181250, 223750, 259550, 362500, 447500, 519100, 559375, 648875, 1118750, 1297750, 2237500, 2595500, 3244375, 6488750, 12977500, 16221875, 32443750, 64887500]

約数ペア:

[(1, 64887500), (2, 32443750), (4, 16221875), (5, 12977500), (10, 6488750), (20, 3244375), (25, 2595500), (29, 2237500), (50, 1297750), (58, 1118750), (100, 648875), (116, 559375), (125, 519100), (145, 447500), (179, 362500), (250, 259550), (290, 223750), (358, 181250), (500, 129775), (580, 111875), (625, 103820), (716, 90625), (725, 89500), (895, 72500), (1250, 51910), (1450, 44750), (1790, 36250), (2500, 25955), (2900, 22375), (3125, 20764), (3580, 18125), (3625, 17900), (4475, 14500), (5191, 12500), (6250, 10382), (7250, 8950)]