64359860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 138269376

約数和(自身を除く): 73909516

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 283, 332, 415, 548, 566, 685, 830, 1132, 1370, 1415, 1660, 2740, 2830, 5660, 11371, 22742, 23489, 38771, 45484, 46978, 56855, 77542, 93956, 113710, 117445, 155084, 193855, 227420, 234890, 387710, 469780, 775420, 3217993, 6435986, 12871972, 16089965, 32179930, 64359860]

約数ペア:

[(1, 64359860), (2, 32179930), (4, 16089965), (5, 12871972), (10, 6435986), (20, 3217993), (83, 775420), (137, 469780), (166, 387710), (274, 234890), (283, 227420), (332, 193855), (415, 155084), (548, 117445), (566, 113710), (685, 93956), (830, 77542), (1132, 56855), (1370, 46978), (1415, 45484), (1660, 38771), (2740, 23489), (2830, 22742), (5660, 11371)]