42874240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2211

約数の個数: 64

約数和(自身を含む): 105851520

約数和(自身を除く): 62977280

約数列:

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

約数ペア:

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