85748480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 212118144

約数和(自身を除く): 126369664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2161, 2480, 3968, 4322, 4960, 7936, 8644, 9920, 10805, 17288, 19840, 21610, 34576, 39680, 43220, 66991, 69152, 86440, 133982, 138304, 172880, 267964, 276608, 334955, 345760, 535928, 553216, 669910, 691520, 1071856, 1339820, 1383040, 2143712, 2679640, 2766080, 4287424, 5359280, 8574848, 10718560, 17149696, 21437120, 42874240, 85748480]

約数ペア:

[(1, 85748480), (2, 42874240), (4, 21437120), (5, 17149696), (8, 10718560), (10, 8574848), (16, 5359280), (20, 4287424), (31, 2766080), (32, 2679640), (40, 2143712), (62, 1383040), (64, 1339820), (80, 1071856), (124, 691520), (128, 669910), (155, 553216), (160, 535928), (248, 345760), (256, 334955), (310, 276608), (320, 267964), (496, 172880), (620, 138304), (640, 133982), (992, 86440), (1240, 69152), (1280, 66991), (1984, 43220), (2161, 39680), (2480, 34576), (3968, 21610), (4322, 19840), (4960, 17288), (7936, 10805), (8644, 9920)]