4020016

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 10499328

約数和(自身を除く): 6479312

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 251, 286, 308, 364, 502, 572, 616, 728, 1001, 1004, 1144, 1232, 1456, 1757, 2002, 2008, 2288, 2761, 3263, 3514, 4004, 4016, 5522, 6526, 7028, 8008, 11044, 13052, 14056, 16016, 19327, 22088, 22841, 26104, 28112, 35893, 38654, 44176, 45682, 52208, 71786, 77308, 91364, 143572, 154616, 182728, 251251, 287144, 309232, 365456, 502502, 574288, 1005004, 2010008, 4020016]

約数ペア:

[(1, 4020016), (2, 2010008), (4, 1005004), (7, 574288), (8, 502502), (11, 365456), (13, 309232), (14, 287144), (16, 251251), (22, 182728), (26, 154616), (28, 143572), (44, 91364), (52, 77308), (56, 71786), (77, 52208), (88, 45682), (91, 44176), (104, 38654), (112, 35893), (143, 28112), (154, 26104), (176, 22841), (182, 22088), (208, 19327), (251, 16016), (286, 14056), (308, 13052), (364, 11044), (502, 8008), (572, 7028), (616, 6526), (728, 5522), (1001, 4016), (1004, 4004), (1144, 3514), (1232, 3263), (1456, 2761), (1757, 2288), (2002, 2008)]