64019930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25919}}^1$

素因数の和:25958

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 66616870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 25919, 51838, 129595, 259190, 336947, 492461, 673894, 984922, 1684735, 2462305, 3369470, 4924610, 6401993, 12803986, 32009965, 64019930]

約数ペア:

[(1, 64019930), (2, 32009965), (5, 12803986), (10, 6401993), (13, 4924610), (19, 3369470), (26, 2462305), (38, 1684735), (65, 984922), (95, 673894), (130, 492461), (190, 336947), (247, 259190), (494, 129595), (1235, 51838), (2470, 25919)]