24994400

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 61714800

約数和(自身を除く): 36720400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 199, 200, 314, 398, 400, 628, 785, 796, 800, 995, 1256, 1570, 1592, 1990, 2512, 3140, 3184, 3925, 3980, 4975, 5024, 6280, 6368, 7850, 7960, 9950, 12560, 15700, 15920, 19900, 25120, 31243, 31400, 31840, 39800, 62486, 62800, 79600, 124972, 125600, 156215, 159200, 249944, 312430, 499888, 624860, 781075, 999776, 1249720, 1562150, 2499440, 3124300, 4998880, 6248600, 12497200, 24994400]

約数ペア:

[(1, 24994400), (2, 12497200), (4, 6248600), (5, 4998880), (8, 3124300), (10, 2499440), (16, 1562150), (20, 1249720), (25, 999776), (32, 781075), (40, 624860), (50, 499888), (80, 312430), (100, 249944), (157, 159200), (160, 156215), (199, 125600), (200, 124972), (314, 79600), (398, 62800), (400, 62486), (628, 39800), (785, 31840), (796, 31400), (800, 31243), (995, 25120), (1256, 19900), (1570, 15920), (1592, 15700), (1990, 12560), (2512, 9950), (3140, 7960), (3184, 7850), (3925, 6368), (3980, 6280), (4975, 5024)]