56685980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 133305984

約数和(自身を除く): 76620004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 541, 620, 676, 806, 845, 1082, 1612, 1690, 2015, 2164, 2705, 3380, 4030, 5239, 5410, 7033, 8060, 10478, 10820, 14066, 16771, 20956, 26195, 28132, 33542, 35165, 52390, 67084, 70330, 83855, 91429, 104780, 140660, 167710, 182858, 218023, 335420, 365716, 436046, 457145, 872092, 914290, 1090115, 1828580, 2180230, 2834299, 4360460, 5668598, 11337196, 14171495, 28342990, 56685980]

約数ペア:

[(1, 56685980), (2, 28342990), (4, 14171495), (5, 11337196), (10, 5668598), (13, 4360460), (20, 2834299), (26, 2180230), (31, 1828580), (52, 1090115), (62, 914290), (65, 872092), (124, 457145), (130, 436046), (155, 365716), (169, 335420), (260, 218023), (310, 182858), (338, 167710), (403, 140660), (541, 104780), (620, 91429), (676, 83855), (806, 70330), (845, 67084), (1082, 52390), (1612, 35165), (1690, 33542), (2015, 28132), (2164, 26195), (2705, 20956), (3380, 16771), (4030, 14066), (5239, 10820), (5410, 10478), (7033, 8060)]