39773860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 96251904

約数和(自身を除く): 56478044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2237, 2540, 3556, 4445, 4474, 8890, 8948, 11185, 15659, 17780, 22370, 31318, 44740, 62636, 78295, 156590, 284099, 313180, 568198, 1136396, 1420495, 1988693, 2840990, 3977386, 5681980, 7954772, 9943465, 19886930, 39773860]

約数ペア:

[(1, 39773860), (2, 19886930), (4, 9943465), (5, 7954772), (7, 5681980), (10, 3977386), (14, 2840990), (20, 1988693), (28, 1420495), (35, 1136396), (70, 568198), (127, 313180), (140, 284099), (254, 156590), (508, 78295), (635, 62636), (889, 44740), (1270, 31318), (1778, 22370), (2237, 17780), (2540, 15659), (3556, 11185), (4445, 8948), (4474, 8890)]