21623200

素因数分解:

$2^5\times 5^2\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 72

約数和(自身を含む): 53434080

約数和(自身を除く): 31810880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 151, 160, 179, 200, 302, 358, 400, 604, 716, 755, 800, 895, 1208, 1432, 1510, 1790, 2416, 2864, 3020, 3580, 3775, 4475, 4832, 5728, 6040, 7160, 7550, 8950, 12080, 14320, 15100, 17900, 24160, 27029, 28640, 30200, 35800, 54058, 60400, 71600, 108116, 120800, 135145, 143200, 216232, 270290, 432464, 540580, 675725, 864928, 1081160, 1351450, 2162320, 2702900, 4324640, 5405800, 10811600, 21623200]

約数ペア:

[(1, 21623200), (2, 10811600), (4, 5405800), (5, 4324640), (8, 2702900), (10, 2162320), (16, 1351450), (20, 1081160), (25, 864928), (32, 675725), (40, 540580), (50, 432464), (80, 270290), (100, 216232), (151, 143200), (160, 135145), (179, 120800), (200, 108116), (302, 71600), (358, 60400), (400, 54058), (604, 35800), (716, 30200), (755, 28640), (800, 27029), (895, 24160), (1208, 17900), (1432, 15100), (1510, 14320), (1790, 12080), (2416, 8950), (2864, 7550), (3020, 7160), (3580, 6040), (3775, 5728), (4475, 4832)]