78728000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:797

約数の個数: 112

約数和(自身を含む): 210244944

約数和(自身を除く): 131516944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 650, 757, 800, 832, 1000, 1040, 1300, 1514, 1600, 1625, 2000, 2080, 2600, 3028, 3250, 3785, 4000, 4160, 5200, 6056, 6500, 7570, 8000, 9841, 10400, 12112, 13000, 15140, 18925, 19682, 20800, 24224, 26000, 30280, 37850, 39364, 48448, 49205, 52000, 60560, 75700, 78728, 94625, 98410, 104000, 121120, 151400, 157456, 189250, 196820, 242240, 246025, 302800, 314912, 378500, 393640, 492050, 605600, 629824, 757000, 787280, 984100, 1211200, 1230125, 1514000, 1574560, 1968200, 2460250, 3028000, 3149120, 3936400, 4920500, 6056000, 7872800, 9841000, 15745600, 19682000, 39364000, 78728000]

約数ペア:

[(1, 78728000), (2, 39364000), (4, 19682000), (5, 15745600), (8, 9841000), (10, 7872800), (13, 6056000), (16, 4920500), (20, 3936400), (25, 3149120), (26, 3028000), (32, 2460250), (40, 1968200), (50, 1574560), (52, 1514000), (64, 1230125), (65, 1211200), (80, 984100), (100, 787280), (104, 757000), (125, 629824), (130, 605600), (160, 492050), (200, 393640), (208, 378500), (250, 314912), (260, 302800), (320, 246025), (325, 242240), (400, 196820), (416, 189250), (500, 157456), (520, 151400), (650, 121120), (757, 104000), (800, 98410), (832, 94625), (1000, 78728), (1040, 75700), (1300, 60560), (1514, 52000), (1600, 49205), (1625, 48448), (2000, 39364), (2080, 37850), (2600, 30280), (3028, 26000), (3250, 24224), (3785, 20800), (4000, 19682), (4160, 18925), (5200, 15140), (6056, 13000), (6500, 12112), (7570, 10400), (8000, 9841)]