27911920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 68700960

約数和(自身を除く): 40789040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 53, 58, 80, 106, 116, 145, 212, 227, 232, 265, 290, 424, 454, 464, 530, 580, 848, 908, 1060, 1135, 1160, 1537, 1816, 2120, 2270, 2320, 3074, 3632, 4240, 4540, 6148, 6583, 7685, 9080, 12031, 12296, 13166, 15370, 18160, 24062, 24592, 26332, 30740, 32915, 48124, 52664, 60155, 61480, 65830, 96248, 105328, 120310, 122960, 131660, 192496, 240620, 263320, 348899, 481240, 526640, 697798, 962480, 1395596, 1744495, 2791192, 3488990, 5582384, 6977980, 13955960, 27911920]

約数ペア:

[(1, 27911920), (2, 13955960), (4, 6977980), (5, 5582384), (8, 3488990), (10, 2791192), (16, 1744495), (20, 1395596), (29, 962480), (40, 697798), (53, 526640), (58, 481240), (80, 348899), (106, 263320), (116, 240620), (145, 192496), (212, 131660), (227, 122960), (232, 120310), (265, 105328), (290, 96248), (424, 65830), (454, 61480), (464, 60155), (530, 52664), (580, 48124), (848, 32915), (908, 30740), (1060, 26332), (1135, 24592), (1160, 24062), (1537, 18160), (1816, 15370), (2120, 13166), (2270, 12296), (2320, 12031), (3074, 9080), (3632, 7685), (4240, 6583), (4540, 6148)]