64316800

素因数分解:

$2^7\times 5^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 161262000

約数和(自身を除く): 96945200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 128, 160, 199, 200, 202, 320, 398, 400, 404, 505, 640, 796, 800, 808, 995, 1010, 1592, 1600, 1616, 1990, 2020, 2525, 3184, 3200, 3232, 3980, 4040, 4975, 5050, 6368, 6464, 7960, 8080, 9950, 10100, 12736, 12928, 15920, 16160, 19900, 20099, 20200, 25472, 31840, 32320, 39800, 40198, 40400, 63680, 64640, 79600, 80396, 80800, 100495, 127360, 159200, 160792, 161600, 200990, 318400, 321584, 323200, 401980, 502475, 636800, 643168, 803960, 1004950, 1286336, 1607920, 2009900, 2572672, 3215840, 4019800, 6431680, 8039600, 12863360, 16079200, 32158400, 64316800]

約数ペア:

[(1, 64316800), (2, 32158400), (4, 16079200), (5, 12863360), (8, 8039600), (10, 6431680), (16, 4019800), (20, 3215840), (25, 2572672), (32, 2009900), (40, 1607920), (50, 1286336), (64, 1004950), (80, 803960), (100, 643168), (101, 636800), (128, 502475), (160, 401980), (199, 323200), (200, 321584), (202, 318400), (320, 200990), (398, 161600), (400, 160792), (404, 159200), (505, 127360), (640, 100495), (796, 80800), (800, 80396), (808, 79600), (995, 64640), (1010, 63680), (1592, 40400), (1600, 40198), (1616, 39800), (1990, 32320), (2020, 31840), (2525, 25472), (3184, 20200), (3200, 20099), (3232, 19900), (3980, 16160), (4040, 15920), (4975, 12928), (5050, 12736), (6368, 10100), (6464, 9950), (7960, 8080)]