4450870000

素因数分解:

$2^4\times 5^4\times {\mathrm{445087}}^1$

素因数の和:445115

約数の個数: 50

約数和(自身を含む): 10776025568

約数和(自身を除く): 6325155568

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, 5000, 10000, 445087, 890174, 1780348, 2225435, 3560696, 4450870, 7121392, 8901740, 11127175, 17803480, 22254350, 35606960, 44508700, 55635875, 89017400, 111271750, 178034800, 222543500, 278179375, 445087000, 556358750, 890174000, 1112717500, 2225435000, 4450870000]

約数ペア:

[(1, 4450870000), (2, 2225435000), (4, 1112717500), (5, 890174000), (8, 556358750), (10, 445087000), (16, 278179375), (20, 222543500), (25, 178034800), (40, 111271750), (50, 89017400), (80, 55635875), (100, 44508700), (125, 35606960), (200, 22254350), (250, 17803480), (400, 11127175), (500, 8901740), (625, 7121392), (1000, 4450870), (1250, 3560696), (2000, 2225435), (2500, 1780348), (5000, 890174), (10000, 445087)]