31370000

素因数分解:

$2^4\times 5^4\times {\mathrm{3137}}^1$

素因数の和:3165

約数の個数: 50

約数和(自身を含む): 75974118

約数和(自身を除く): 44604118

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3137, 5000, 6274, 10000, 12548, 15685, 25096, 31370, 50192, 62740, 78425, 125480, 156850, 250960, 313700, 392125, 627400, 784250, 1254800, 1568500, 1960625, 3137000, 3921250, 6274000, 7842500, 15685000, 31370000]

約数ペア:

[(1, 31370000), (2, 15685000), (4, 7842500), (5, 6274000), (8, 3921250), (10, 3137000), (16, 1960625), (20, 1568500), (25, 1254800), (40, 784250), (50, 627400), (80, 392125), (100, 313700), (125, 250960), (200, 156850), (250, 125480), (400, 78425), (500, 62740), (625, 50192), (1000, 31370), (1250, 25096), (2000, 15685), (2500, 12548), (3137, 10000), (5000, 6274)]