19682000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:793

約数の個数: 80

約数和(自身を含む): 51319632

約数和(自身を除く): 31637632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 757, 1000, 1040, 1300, 1514, 1625, 2000, 2600, 3028, 3250, 3785, 5200, 6056, 6500, 7570, 9841, 12112, 13000, 15140, 18925, 19682, 26000, 30280, 37850, 39364, 49205, 60560, 75700, 78728, 94625, 98410, 151400, 157456, 189250, 196820, 246025, 302800, 378500, 393640, 492050, 757000, 787280, 984100, 1230125, 1514000, 1968200, 2460250, 3936400, 4920500, 9841000, 19682000]

約数ペア:

[(1, 19682000), (2, 9841000), (4, 4920500), (5, 3936400), (8, 2460250), (10, 1968200), (13, 1514000), (16, 1230125), (20, 984100), (25, 787280), (26, 757000), (40, 492050), (50, 393640), (52, 378500), (65, 302800), (80, 246025), (100, 196820), (104, 189250), (125, 157456), (130, 151400), (200, 98410), (208, 94625), (250, 78728), (260, 75700), (325, 60560), (400, 49205), (500, 39364), (520, 37850), (650, 30280), (757, 26000), (1000, 19682), (1040, 18925), (1300, 15140), (1514, 13000), (1625, 12112), (2000, 9841), (2600, 7570), (3028, 6500), (3250, 6056), (3785, 5200)]