6416000

素因数分解:

$2^7\times 5^3\times {\mathrm{401}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 15991560

約数和(自身を除く): 9575560

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, 640, 800, 802, 1000, 1600, 1604, 2000, 2005, 3200, 3208, 4000, 4010, 6416, 8000, 8020, 10025, 12832, 16000, 16040, 20050, 25664, 32080, 40100, 50125, 51328, 64160, 80200, 100250, 128320, 160400, 200500, 256640, 320800, 401000, 641600, 802000, 1283200, 1604000, 3208000, 6416000]

約数ペア:

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