42123250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 85472712

約数和(自身を除く): 43349462

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 997, 1625, 1690, 1994, 3250, 4225, 4985, 8450, 9970, 12961, 21125, 24925, 25922, 42250, 49850, 64805, 124625, 129610, 168493, 249250, 324025, 336986, 648050, 842465, 1620125, 1684930, 3240250, 4212325, 8424650, 21061625, 42123250]

約数ペア:

[(1, 42123250), (2, 21061625), (5, 8424650), (10, 4212325), (13, 3240250), (25, 1684930), (26, 1620125), (50, 842465), (65, 648050), (125, 336986), (130, 324025), (169, 249250), (250, 168493), (325, 129610), (338, 124625), (650, 64805), (845, 49850), (997, 42250), (1625, 25922), (1690, 24925), (1994, 21125), (3250, 12961), (4225, 9970), (4985, 8450)]