38550280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 52169720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 167, 199, 232, 290, 334, 398, 580, 668, 796, 835, 995, 1160, 1336, 1592, 1670, 1990, 3340, 3980, 4843, 5771, 6680, 7960, 9686, 11542, 19372, 23084, 24215, 28855, 33233, 38744, 46168, 48430, 57710, 66466, 96860, 115420, 132932, 166165, 193720, 230840, 265864, 332330, 664660, 963757, 1329320, 1927514, 3855028, 4818785, 7710056, 9637570, 19275140, 38550280]

約数ペア:

[(1, 38550280), (2, 19275140), (4, 9637570), (5, 7710056), (8, 4818785), (10, 3855028), (20, 1927514), (29, 1329320), (40, 963757), (58, 664660), (116, 332330), (145, 265864), (167, 230840), (199, 193720), (232, 166165), (290, 132932), (334, 115420), (398, 96860), (580, 66466), (668, 57710), (796, 48430), (835, 46168), (995, 38744), (1160, 33233), (1336, 28855), (1592, 24215), (1670, 23084), (1990, 19372), (3340, 11542), (3980, 9686), (4843, 7960), (5771, 6680)]