20160686120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1\times {\mathrm{11437}}^1$

素因数の和:11922

約数の個数: 64

約数和(自身を含む): 45854484480

約数和(自身を除く): 25693798360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 347, 508, 635, 694, 1016, 1270, 1388, 1735, 2540, 2776, 3470, 5080, 6940, 11437, 13880, 22874, 44069, 45748, 57185, 88138, 91496, 114370, 176276, 220345, 228740, 352552, 440690, 457480, 881380, 1452499, 1762760, 2904998, 3968639, 5809996, 7262495, 7937278, 11619992, 14524990, 15874556, 19843195, 29049980, 31749112, 39686390, 58099960, 79372780, 158745560, 504017153, 1008034306, 2016068612, 2520085765, 4032137224, 5040171530, 10080343060, 20160686120]

約数ペア:

[(1, 20160686120), (2, 10080343060), (4, 5040171530), (5, 4032137224), (8, 2520085765), (10, 2016068612), (20, 1008034306), (40, 504017153), (127, 158745560), (254, 79372780), (347, 58099960), (508, 39686390), (635, 31749112), (694, 29049980), (1016, 19843195), (1270, 15874556), (1388, 14524990), (1735, 11619992), (2540, 7937278), (2776, 7262495), (3470, 5809996), (5080, 3968639), (6940, 2904998), (11437, 1762760), (13880, 1452499), (22874, 881380), (44069, 457480), (45748, 440690), (57185, 352552), (88138, 228740), (91496, 220345), (114370, 176276)]