19644400

素因数分解:

$2^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:818

約数の個数: 60

約数和(自身を含む): 47965432

約数和(自身を除く): 28321032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 134, 200, 268, 335, 400, 536, 670, 733, 1072, 1340, 1466, 1675, 2680, 2932, 3350, 3665, 5360, 5864, 6700, 7330, 11728, 13400, 14660, 18325, 26800, 29320, 36650, 49111, 58640, 73300, 98222, 146600, 196444, 245555, 293200, 392888, 491110, 785776, 982220, 1227775, 1964440, 2455550, 3928880, 4911100, 9822200, 19644400]

約数ペア:

[(1, 19644400), (2, 9822200), (4, 4911100), (5, 3928880), (8, 2455550), (10, 1964440), (16, 1227775), (20, 982220), (25, 785776), (40, 491110), (50, 392888), (67, 293200), (80, 245555), (100, 196444), (134, 146600), (200, 98222), (268, 73300), (335, 58640), (400, 49111), (536, 36650), (670, 29320), (733, 26800), (1072, 18325), (1340, 14660), (1466, 13400), (1675, 11728), (2680, 7330), (2932, 6700), (3350, 5864), (3665, 5360)]