6560000

素因数分解:

$2^8\times 5^4\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 90

約数和(自身を含む): 16761822

約数和(自身を除く): 10201822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 125, 128, 160, 164, 200, 205, 250, 256, 320, 328, 400, 410, 500, 625, 640, 656, 800, 820, 1000, 1025, 1250, 1280, 1312, 1600, 1640, 2000, 2050, 2500, 2624, 3200, 3280, 4000, 4100, 5000, 5125, 5248, 6400, 6560, 8000, 8200, 10000, 10250, 10496, 13120, 16000, 16400, 20000, 20500, 25625, 26240, 32000, 32800, 40000, 41000, 51250, 52480, 65600, 80000, 82000, 102500, 131200, 160000, 164000, 205000, 262400, 328000, 410000, 656000, 820000, 1312000, 1640000, 3280000, 6560000]

約数ペア:

[(1, 6560000), (2, 3280000), (4, 1640000), (5, 1312000), (8, 820000), (10, 656000), (16, 410000), (20, 328000), (25, 262400), (32, 205000), (40, 164000), (41, 160000), (50, 131200), (64, 102500), (80, 82000), (82, 80000), (100, 65600), (125, 52480), (128, 51250), (160, 41000), (164, 40000), (200, 32800), (205, 32000), (250, 26240), (256, 25625), (320, 20500), (328, 20000), (400, 16400), (410, 16000), (500, 13120), (625, 10496), (640, 10250), (656, 10000), (800, 8200), (820, 8000), (1000, 6560), (1025, 6400), (1250, 5248), (1280, 5125), (1312, 5000), (1600, 4100), (1640, 4000), (2000, 3280), (2050, 3200), (2500, 2624)]