328000

素因数分解:

$2^6\times 5^3\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 56

約数和(自身を含む): 832104

約数和(自身を除く): 504104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 125, 160, 164, 200, 205, 250, 320, 328, 400, 410, 500, 656, 800, 820, 1000, 1025, 1312, 1600, 1640, 2000, 2050, 2624, 3280, 4000, 4100, 5125, 6560, 8000, 8200, 10250, 13120, 16400, 20500, 32800, 41000, 65600, 82000, 164000, 328000]

約数ペア:

[(1, 328000), (2, 164000), (4, 82000), (5, 65600), (8, 41000), (10, 32800), (16, 20500), (20, 16400), (25, 13120), (32, 10250), (40, 8200), (41, 8000), (50, 6560), (64, 5125), (80, 4100), (82, 4000), (100, 3280), (125, 2624), (160, 2050), (164, 2000), (200, 1640), (205, 1600), (250, 1312), (320, 1025), (328, 1000), (400, 820), (410, 800), (500, 656)]