40204920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2125

約数の個数: 128

約数和(自身を含む): 143907840

約数和(自身を除く): 103702920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2081, 2415, 2760, 3220, 3864, 4162, 4830, 6243, 6440, 8324, 9660, 10405, 12486, 14567, 16648, 19320, 20810, 24972, 29134, 31215, 41620, 43701, 47863, 49944, 58268, 62430, 72835, 83240, 87402, 95726, 116536, 124860, 143589, 145670, 174804, 191452, 218505, 239315, 249720, 287178, 291340, 335041, 349608, 382904, 437010, 478630, 574356, 582680, 670082, 717945, 874020, 957260, 1005123, 1148712, 1340164, 1435890, 1675205, 1748040, 1914520, 2010246, 2680328, 2871780, 3350410, 4020492, 5025615, 5743560, 6700820, 8040984, 10051230, 13401640, 20102460, 40204920]

約数ペア:

[(1, 40204920), (2, 20102460), (3, 13401640), (4, 10051230), (5, 8040984), (6, 6700820), (7, 5743560), (8, 5025615), (10, 4020492), (12, 3350410), (14, 2871780), (15, 2680328), (20, 2010246), (21, 1914520), (23, 1748040), (24, 1675205), (28, 1435890), (30, 1340164), (35, 1148712), (40, 1005123), (42, 957260), (46, 874020), (56, 717945), (60, 670082), (69, 582680), (70, 574356), (84, 478630), (92, 437010), (105, 382904), (115, 349608), (120, 335041), (138, 291340), (140, 287178), (161, 249720), (168, 239315), (184, 218505), (210, 191452), (230, 174804), (276, 145670), (280, 143589), (322, 124860), (345, 116536), (420, 95726), (460, 87402), (483, 83240), (552, 72835), (644, 62430), (690, 58268), (805, 49944), (840, 47863), (920, 43701), (966, 41620), (1288, 31215), (1380, 29134), (1610, 24972), (1932, 20810), (2081, 19320), (2415, 16648), (2760, 14567), (3220, 12486), (3864, 10405), (4162, 9660), (4830, 8324), (6243, 6440)]