21882400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 72

約数和(自身を含む): 56597940

約数和(自身を除く): 34715540

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1609, 1700, 2720, 3218, 3400, 6436, 6800, 8045, 12872, 13600, 16090, 25744, 27353, 32180, 40225, 51488, 54706, 64360, 80450, 109412, 128720, 136765, 160900, 218824, 257440, 273530, 321800, 437648, 547060, 643600, 683825, 875296, 1094120, 1287200, 1367650, 2188240, 2735300, 4376480, 5470600, 10941200, 21882400]

約数ペア:

[(1, 21882400), (2, 10941200), (4, 5470600), (5, 4376480), (8, 2735300), (10, 2188240), (16, 1367650), (17, 1287200), (20, 1094120), (25, 875296), (32, 683825), (34, 643600), (40, 547060), (50, 437648), (68, 321800), (80, 273530), (85, 257440), (100, 218824), (136, 160900), (160, 136765), (170, 128720), (200, 109412), (272, 80450), (340, 64360), (400, 54706), (425, 51488), (544, 40225), (680, 32180), (800, 27353), (850, 25744), (1360, 16090), (1609, 13600), (1700, 12872), (2720, 8045), (3218, 6800), (3400, 6436)]