20048800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1358

約数の個数: 72

約数和(自身を含む): 51559200

約数和(自身を除く): 31510400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1319, 1520, 1900, 2638, 3040, 3800, 5276, 6595, 7600, 10552, 13190, 15200, 21104, 25061, 26380, 32975, 42208, 50122, 52760, 65950, 100244, 105520, 125305, 131900, 200488, 211040, 250610, 263800, 400976, 501220, 527600, 626525, 801952, 1002440, 1055200, 1253050, 2004880, 2506100, 4009760, 5012200, 10024400, 20048800]

約数ペア:

[(1, 20048800), (2, 10024400), (4, 5012200), (5, 4009760), (8, 2506100), (10, 2004880), (16, 1253050), (19, 1055200), (20, 1002440), (25, 801952), (32, 626525), (38, 527600), (40, 501220), (50, 400976), (76, 263800), (80, 250610), (95, 211040), (100, 200488), (152, 131900), (160, 125305), (190, 105520), (200, 100244), (304, 65950), (380, 52760), (400, 50122), (475, 42208), (608, 32975), (760, 26380), (800, 25061), (950, 21104), (1319, 15200), (1520, 13190), (1900, 10552), (2638, 7600), (3040, 6595), (3800, 5276)]