164085280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25013}}^1$

素因数の和:25069

約数の個数: 48

約数和(自身を含む): 397122264

約数和(自身を除く): 233036984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 25013, 50026, 100052, 125065, 200104, 250130, 400208, 500260, 800416, 1000520, 1025533, 2001040, 2051066, 4002080, 4102132, 5127665, 8204264, 10255330, 16408528, 20510660, 32817056, 41021320, 82042640, 164085280]

約数ペア:

[(1, 164085280), (2, 82042640), (4, 41021320), (5, 32817056), (8, 20510660), (10, 16408528), (16, 10255330), (20, 8204264), (32, 5127665), (40, 4102132), (41, 4002080), (80, 2051066), (82, 2001040), (160, 1025533), (164, 1000520), (205, 800416), (328, 500260), (410, 400208), (656, 250130), (820, 200104), (1312, 125065), (1640, 100052), (3280, 50026), (6560, 25013)]