28491800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 67804440

約数和(自身を除く): 39312640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 3313, 4300, 6626, 8600, 13252, 16565, 26504, 33130, 66260, 82825, 132520, 142459, 165650, 284918, 331300, 569836, 662600, 712295, 1139672, 1424590, 2849180, 3561475, 5698360, 7122950, 14245900, 28491800]

約数ペア:

[(1, 28491800), (2, 14245900), (4, 7122950), (5, 5698360), (8, 3561475), (10, 2849180), (20, 1424590), (25, 1139672), (40, 712295), (43, 662600), (50, 569836), (86, 331300), (100, 284918), (172, 165650), (200, 142459), (215, 132520), (344, 82825), (430, 66260), (860, 33130), (1075, 26504), (1720, 16565), (2150, 13252), (3313, 8600), (4300, 6626)]