48505000

素因数分解:

$2^3\times 5^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 115978500

約数和(自身を除く): 67473500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 109, 125, 178, 200, 218, 250, 356, 436, 445, 500, 545, 625, 712, 872, 890, 1000, 1090, 1250, 1780, 2180, 2225, 2500, 2725, 3560, 4360, 4450, 5000, 5450, 8900, 9701, 10900, 11125, 13625, 17800, 19402, 21800, 22250, 27250, 38804, 44500, 48505, 54500, 55625, 68125, 77608, 89000, 97010, 109000, 111250, 136250, 194020, 222500, 242525, 272500, 388040, 445000, 485050, 545000, 970100, 1212625, 1940200, 2425250, 4850500, 6063125, 9701000, 12126250, 24252500, 48505000]

約数ペア:

[(1, 48505000), (2, 24252500), (4, 12126250), (5, 9701000), (8, 6063125), (10, 4850500), (20, 2425250), (25, 1940200), (40, 1212625), (50, 970100), (89, 545000), (100, 485050), (109, 445000), (125, 388040), (178, 272500), (200, 242525), (218, 222500), (250, 194020), (356, 136250), (436, 111250), (445, 109000), (500, 97010), (545, 89000), (625, 77608), (712, 68125), (872, 55625), (890, 54500), (1000, 48505), (1090, 44500), (1250, 38804), (1780, 27250), (2180, 22250), (2225, 21800), (2500, 19402), (2725, 17800), (3560, 13625), (4360, 11125), (4450, 10900), (5000, 9701), (5450, 8900)]