8212068920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1149

約数の個数: 128

約数和(自身を含む): 20453990400

約数和(自身を除く): 12241921480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 179, 220, 254, 358, 440, 508, 635, 716, 821, 895, 1016, 1270, 1397, 1432, 1642, 1790, 1969, 2540, 2794, 3284, 3580, 3938, 4105, 5080, 5588, 6568, 6985, 7160, 7876, 8210, 9031, 9845, 11176, 13970, 15752, 16420, 18062, 19690, 22733, 27940, 32840, 36124, 39380, 45155, 45466, 55880, 72248, 78760, 90310, 90932, 104267, 113665, 146959, 180620, 181864, 208534, 227330, 250063, 293918, 361240, 417068, 454660, 500126, 521335, 587836, 734795, 834136, 909320, 1000252, 1042670, 1146937, 1175672, 1250315, 1469590, 1616549, 2000504, 2085340, 2293874, 2500630, 2939180, 3233098, 4170680, 4587748, 5001260, 5734685, 5878360, 6466196, 8082745, 9175496, 10002520, 11469370, 12932392, 16165490, 18663793, 22938740, 32330980, 37327586, 45877480, 64661960, 74655172, 93318965, 149310344, 186637930, 205301723, 373275860, 410603446, 746551720, 821206892, 1026508615, 1642413784, 2053017230, 4106034460, 8212068920]

約数ペア:

[(1, 8212068920), (2, 4106034460), (4, 2053017230), (5, 1642413784), (8, 1026508615), (10, 821206892), (11, 746551720), (20, 410603446), (22, 373275860), (40, 205301723), (44, 186637930), (55, 149310344), (88, 93318965), (110, 74655172), (127, 64661960), (179, 45877480), (220, 37327586), (254, 32330980), (358, 22938740), (440, 18663793), (508, 16165490), (635, 12932392), (716, 11469370), (821, 10002520), (895, 9175496), (1016, 8082745), (1270, 6466196), (1397, 5878360), (1432, 5734685), (1642, 5001260), (1790, 4587748), (1969, 4170680), (2540, 3233098), (2794, 2939180), (3284, 2500630), (3580, 2293874), (3938, 2085340), (4105, 2000504), (5080, 1616549), (5588, 1469590), (6568, 1250315), (6985, 1175672), (7160, 1146937), (7876, 1042670), (8210, 1000252), (9031, 909320), (9845, 834136), (11176, 734795), (13970, 587836), (15752, 521335), (16420, 500126), (18062, 454660), (19690, 417068), (22733, 361240), (27940, 293918), (32840, 250063), (36124, 227330), (39380, 208534), (45155, 181864), (45466, 180620), (55880, 146959), (72248, 113665), (78760, 104267), (90310, 90932)]