138021250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1144

約数の個数: 40

約数和(自身を含む): 261338220

約数和(自身を除く): 123316970

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 625, 1013, 1090, 1250, 2026, 2725, 5065, 5450, 10130, 13625, 25325, 27250, 50650, 68125, 110417, 126625, 136250, 220834, 253250, 552085, 633125, 1104170, 1266250, 2760425, 5520850, 13802125, 27604250, 69010625, 138021250]

約数ペア:

[(1, 138021250), (2, 69010625), (5, 27604250), (10, 13802125), (25, 5520850), (50, 2760425), (109, 1266250), (125, 1104170), (218, 633125), (250, 552085), (545, 253250), (625, 220834), (1013, 136250), (1090, 126625), (1250, 110417), (2026, 68125), (2725, 50650), (5065, 27250), (5450, 25325), (10130, 13625)]