20429788250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{44101}}^1$

素因数の和:44244

約数の個数: 64

約数和(自身を含む): 40866677280

約数和(自身を除く): 20436889030

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 109, 125, 170, 218, 250, 425, 545, 850, 1090, 1853, 2125, 2725, 3706, 4250, 5450, 9265, 13625, 18530, 27250, 44101, 46325, 88202, 92650, 220505, 231625, 441010, 463250, 749717, 1102525, 1499434, 2205050, 3748585, 4807009, 5512625, 7497170, 9614018, 11025250, 18742925, 24035045, 37485850, 48070090, 81719153, 93714625, 120175225, 163438306, 187429250, 240350450, 408595765, 600876125, 817191530, 1201752250, 2042978825, 4085957650, 10214894125, 20429788250]

約数ペア:

[(1, 20429788250), (2, 10214894125), (5, 4085957650), (10, 2042978825), (17, 1201752250), (25, 817191530), (34, 600876125), (50, 408595765), (85, 240350450), (109, 187429250), (125, 163438306), (170, 120175225), (218, 93714625), (250, 81719153), (425, 48070090), (545, 37485850), (850, 24035045), (1090, 18742925), (1853, 11025250), (2125, 9614018), (2725, 7497170), (3706, 5512625), (4250, 4807009), (5450, 3748585), (9265, 2205050), (13625, 1499434), (18530, 1102525), (27250, 749717), (44101, 463250), (46325, 441010), (88202, 231625), (92650, 220505)]