20199195250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{69833}}^1$

素因数の和:69952

約数の個数: 64

約数和(自身を含む): 41179713120

約数和(自身を除く): 20980517870

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 125, 130, 178, 250, 325, 445, 650, 890, 1157, 1625, 2225, 2314, 3250, 4450, 5785, 11125, 11570, 22250, 28925, 57850, 69833, 139666, 144625, 289250, 349165, 698330, 907829, 1745825, 1815658, 3491650, 4539145, 6215137, 8729125, 9078290, 12430274, 17458250, 22695725, 31075685, 45391450, 62151370, 80796781, 113478625, 155378425, 161593562, 226957250, 310756850, 403983905, 776892125, 807967810, 1553784250, 2019919525, 4039839050, 10099597625, 20199195250]

約数ペア:

[(1, 20199195250), (2, 10099597625), (5, 4039839050), (10, 2019919525), (13, 1553784250), (25, 807967810), (26, 776892125), (50, 403983905), (65, 310756850), (89, 226957250), (125, 161593562), (130, 155378425), (178, 113478625), (250, 80796781), (325, 62151370), (445, 45391450), (650, 31075685), (890, 22695725), (1157, 17458250), (1625, 12430274), (2225, 9078290), (2314, 8729125), (3250, 6215137), (4450, 4539145), (5785, 3491650), (11125, 1815658), (11570, 1745825), (22250, 907829), (28925, 698330), (57850, 349165), (69833, 289250), (139666, 144625)]