20125945300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{80279}}^1$

素因数の和:80425

約数の個数: 72

約数和(自身を含む): 45990806400

約数和(自身を除く): 25864861100

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 109, 115, 218, 230, 436, 460, 545, 575, 1090, 1150, 2180, 2300, 2507, 2725, 5014, 5450, 10028, 10900, 12535, 25070, 50140, 62675, 80279, 125350, 160558, 250700, 321116, 401395, 802790, 1605580, 1846417, 2006975, 3692834, 4013950, 7385668, 8027900, 8750411, 9232085, 17500822, 18464170, 35001644, 36928340, 43752055, 46160425, 87504110, 92320850, 175008220, 184641700, 201259453, 218760275, 402518906, 437520550, 805037812, 875041100, 1006297265, 2012594530, 4025189060, 5031486325, 10062972650, 20125945300]

約数ペア:

[(1, 20125945300), (2, 10062972650), (4, 5031486325), (5, 4025189060), (10, 2012594530), (20, 1006297265), (23, 875041100), (25, 805037812), (46, 437520550), (50, 402518906), (92, 218760275), (100, 201259453), (109, 184641700), (115, 175008220), (218, 92320850), (230, 87504110), (436, 46160425), (460, 43752055), (545, 36928340), (575, 35001644), (1090, 18464170), (1150, 17500822), (2180, 9232085), (2300, 8750411), (2507, 8027900), (2725, 7385668), (5014, 4013950), (5450, 3692834), (10028, 2006975), (10900, 1846417), (12535, 1605580), (25070, 802790), (50140, 401395), (62675, 321116), (80279, 250700), (125350, 160558)]