164000

素因数分解:

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

素因数の和:66

約数の個数: 48

約数和(自身を含む): 412776

約数和(自身を除く): 248776

約数列:

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

約数ペア:

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