80200120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2045

約数の個数: 128

約数和(自身を含む): 242403840

約数和(自身を除く): 162203720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2003, 2860, 3080, 3640, 4004, 4006, 5005, 5720, 8008, 8012, 10010, 10015, 14021, 16024, 20020, 20030, 22033, 26039, 28042, 40040, 40060, 44066, 52078, 56084, 70105, 80120, 88132, 104156, 110165, 112168, 130195, 140210, 154231, 176264, 182273, 208312, 220330, 260390, 280420, 286429, 308462, 364546, 440660, 520780, 560840, 572858, 616924, 729092, 771155, 881320, 911365, 1041560, 1145716, 1233848, 1432145, 1458184, 1542310, 1822730, 2005003, 2291432, 2864290, 3084620, 3645460, 4010006, 5728580, 6169240, 7290920, 8020012, 10025015, 11457160, 16040024, 20050030, 40100060, 80200120]

約数ペア:

[(1, 80200120), (2, 40100060), (4, 20050030), (5, 16040024), (7, 11457160), (8, 10025015), (10, 8020012), (11, 7290920), (13, 6169240), (14, 5728580), (20, 4010006), (22, 3645460), (26, 3084620), (28, 2864290), (35, 2291432), (40, 2005003), (44, 1822730), (52, 1542310), (55, 1458184), (56, 1432145), (65, 1233848), (70, 1145716), (77, 1041560), (88, 911365), (91, 881320), (104, 771155), (110, 729092), (130, 616924), (140, 572858), (143, 560840), (154, 520780), (182, 440660), (220, 364546), (260, 308462), (280, 286429), (286, 280420), (308, 260390), (364, 220330), (385, 208312), (440, 182273), (455, 176264), (520, 154231), (572, 140210), (616, 130195), (715, 112168), (728, 110165), (770, 104156), (910, 88132), (1001, 80120), (1144, 70105), (1430, 56084), (1540, 52078), (1820, 44066), (2002, 40060), (2003, 40040), (2860, 28042), (3080, 26039), (3640, 22033), (4004, 20030), (4006, 20020), (5005, 16024), (5720, 14021), (8008, 10015), (8012, 10010)]