128565970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{52051}}^1$

素因数の和:52090

約数の個数: 32

約数和(自身を含む): 262342080

約数和(自身を除く): 133776110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 52051, 104102, 260255, 520510, 676663, 988969, 1353326, 1977938, 3383315, 4944845, 6766630, 9889690, 12856597, 25713194, 64282985, 128565970]

約数ペア:

[(1, 128565970), (2, 64282985), (5, 25713194), (10, 12856597), (13, 9889690), (19, 6766630), (26, 4944845), (38, 3383315), (65, 1977938), (95, 1353326), (130, 988969), (190, 676663), (247, 520510), (494, 260255), (1235, 104102), (2470, 52051)]