39897940000

素因数分解:

$2^5\times 5^4\times {\mathrm{1994897}}^1$

素因数の和:1994927

約数の個数: 60

約数和(自身を含む): 98154966294

約数和(自身を除く): 58257026294

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 10000, 20000, 1994897, 3989794, 7979588, 9974485, 15959176, 19948970, 31918352, 39897940, 49872425, 63836704, 79795880, 99744850, 159591760, 199489700, 249362125, 319183520, 398979400, 498724250, 797958800, 997448500, 1246810625, 1595917600, 1994897000, 2493621250, 3989794000, 4987242500, 7979588000, 9974485000, 19948970000, 39897940000]

約数ペア:

[(1, 39897940000), (2, 19948970000), (4, 9974485000), (5, 7979588000), (8, 4987242500), (10, 3989794000), (16, 2493621250), (20, 1994897000), (25, 1595917600), (32, 1246810625), (40, 997448500), (50, 797958800), (80, 498724250), (100, 398979400), (125, 319183520), (160, 249362125), (200, 199489700), (250, 159591760), (400, 99744850), (500, 79795880), (625, 63836704), (800, 49872425), (1000, 39897940), (1250, 31918352), (2000, 19948970), (2500, 15959176), (4000, 9974485), (5000, 7979588), (10000, 3989794), (20000, 1994897)]