12402500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 90

約数和(自身を含む): 30538662

約数和(自身を除く): 18136162

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 121, 125, 164, 205, 220, 242, 250, 275, 410, 451, 484, 500, 550, 605, 625, 820, 902, 1025, 1100, 1210, 1250, 1375, 1804, 2050, 2255, 2420, 2500, 2750, 3025, 4100, 4510, 4961, 5125, 5500, 6050, 6875, 9020, 9922, 10250, 11275, 12100, 13750, 15125, 19844, 20500, 22550, 24805, 25625, 27500, 30250, 45100, 49610, 51250, 56375, 60500, 75625, 99220, 102500, 112750, 124025, 151250, 225500, 248050, 281875, 302500, 496100, 563750, 620125, 1127500, 1240250, 2480500, 3100625, 6201250, 12402500]

約数ペア:

[(1, 12402500), (2, 6201250), (4, 3100625), (5, 2480500), (10, 1240250), (11, 1127500), (20, 620125), (22, 563750), (25, 496100), (41, 302500), (44, 281875), (50, 248050), (55, 225500), (82, 151250), (100, 124025), (110, 112750), (121, 102500), (125, 99220), (164, 75625), (205, 60500), (220, 56375), (242, 51250), (250, 49610), (275, 45100), (410, 30250), (451, 27500), (484, 25625), (500, 24805), (550, 22550), (605, 20500), (625, 19844), (820, 15125), (902, 13750), (1025, 12100), (1100, 11275), (1210, 10250), (1250, 9922), (1375, 9020), (1804, 6875), (2050, 6050), (2255, 5500), (2420, 5125), (2500, 4961), (2750, 4510), (3025, 4100)]