32080000

素因数分解:

$2^7\times 5^4\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 80

約数和(自身を含む): 80060310

約数和(自身を除く): 47980310

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 401, 500, 625, 640, 800, 802, 1000, 1250, 1600, 1604, 2000, 2005, 2500, 3200, 3208, 4000, 4010, 5000, 6416, 8000, 8020, 10000, 10025, 12832, 16000, 16040, 20000, 20050, 25664, 32080, 40000, 40100, 50125, 51328, 64160, 80000, 80200, 100250, 128320, 160400, 200500, 250625, 256640, 320800, 401000, 501250, 641600, 802000, 1002500, 1283200, 1604000, 2005000, 3208000, 4010000, 6416000, 8020000, 16040000, 32080000]

約数ペア:

[(1, 32080000), (2, 16040000), (4, 8020000), (5, 6416000), (8, 4010000), (10, 3208000), (16, 2005000), (20, 1604000), (25, 1283200), (32, 1002500), (40, 802000), (50, 641600), (64, 501250), (80, 401000), (100, 320800), (125, 256640), (128, 250625), (160, 200500), (200, 160400), (250, 128320), (320, 100250), (400, 80200), (401, 80000), (500, 64160), (625, 51328), (640, 50125), (800, 40100), (802, 40000), (1000, 32080), (1250, 25664), (1600, 20050), (1604, 20000), (2000, 16040), (2005, 16000), (2500, 12832), (3200, 10025), (3208, 10000), (4000, 8020), (4010, 8000), (5000, 6416)]