40912960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 112

約数和(自身を含む): 108630720

約数和(自身を除く): 67717760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 110, 118, 160, 176, 197, 220, 236, 295, 320, 352, 394, 440, 472, 590, 649, 704, 788, 880, 944, 985, 1180, 1298, 1576, 1760, 1888, 1970, 2167, 2360, 2596, 3152, 3245, 3520, 3776, 3940, 4334, 4720, 5192, 6304, 6490, 7880, 8668, 9440, 10384, 10835, 11623, 12608, 12980, 15760, 17336, 18880, 20768, 21670, 23246, 25960, 31520, 34672, 41536, 43340, 46492, 51920, 58115, 63040, 69344, 86680, 92984, 103840, 116230, 127853, 138688, 173360, 185968, 207680, 232460, 255706, 346720, 371936, 464920, 511412, 639265, 693440, 743872, 929840, 1022824, 1278530, 1859680, 2045648, 2557060, 3719360, 4091296, 5114120, 8182592, 10228240, 20456480, 40912960]

約数ペア:

[(1, 40912960), (2, 20456480), (4, 10228240), (5, 8182592), (8, 5114120), (10, 4091296), (11, 3719360), (16, 2557060), (20, 2045648), (22, 1859680), (32, 1278530), (40, 1022824), (44, 929840), (55, 743872), (59, 693440), (64, 639265), (80, 511412), (88, 464920), (110, 371936), (118, 346720), (160, 255706), (176, 232460), (197, 207680), (220, 185968), (236, 173360), (295, 138688), (320, 127853), (352, 116230), (394, 103840), (440, 92984), (472, 86680), (590, 69344), (649, 63040), (704, 58115), (788, 51920), (880, 46492), (944, 43340), (985, 41536), (1180, 34672), (1298, 31520), (1576, 25960), (1760, 23246), (1888, 21670), (1970, 20768), (2167, 18880), (2360, 17336), (2596, 15760), (3152, 12980), (3245, 12608), (3520, 11623), (3776, 10835), (3940, 10384), (4334, 9440), (4720, 8668), (5192, 7880), (6304, 6490)]