2100020560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1201}}^1\times {\mathrm{1987}}^1$

素因数の和:3212

約数の個数: 80

約数和(自身を含む): 5333533632

約数和(自身を除く): 3233513072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1201, 1987, 2402, 3974, 4804, 6005, 7948, 9608, 9935, 12010, 13211, 15896, 19216, 19870, 21857, 24020, 26422, 31792, 39740, 43714, 48040, 52844, 66055, 79480, 87428, 96080, 105688, 109285, 132110, 158960, 174856, 211376, 218570, 264220, 349712, 437140, 528440, 874280, 1056880, 1748560, 2386387, 4772774, 9545548, 11931935, 19091096, 23863870, 26250257, 38182192, 47727740, 52500514, 95455480, 105001028, 131251285, 190910960, 210002056, 262502570, 420004112, 525005140, 1050010280, 2100020560]

約数ペア:

[(1, 2100020560), (2, 1050010280), (4, 525005140), (5, 420004112), (8, 262502570), (10, 210002056), (11, 190910960), (16, 131251285), (20, 105001028), (22, 95455480), (40, 52500514), (44, 47727740), (55, 38182192), (80, 26250257), (88, 23863870), (110, 19091096), (176, 11931935), (220, 9545548), (440, 4772774), (880, 2386387), (1201, 1748560), (1987, 1056880), (2402, 874280), (3974, 528440), (4804, 437140), (6005, 349712), (7948, 264220), (9608, 218570), (9935, 211376), (12010, 174856), (13211, 158960), (15896, 132110), (19216, 109285), (19870, 105688), (21857, 96080), (24020, 87428), (26422, 79480), (31792, 66055), (39740, 52844), (43714, 48040)]