164616640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12547}}^1$

素因数の和:12605

約数の個数: 56

約数和(自身を含む): 401586192

約数和(自身を除く): 236969552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 12547, 13120, 25094, 50188, 62735, 100376, 125470, 200752, 250940, 401504, 501880, 514427, 803008, 1003760, 1028854, 2007520, 2057708, 2572135, 4015040, 4115416, 5144270, 8230832, 10288540, 16461664, 20577080, 32923328, 41154160, 82308320, 164616640]

約数ペア:

[(1, 164616640), (2, 82308320), (4, 41154160), (5, 32923328), (8, 20577080), (10, 16461664), (16, 10288540), (20, 8230832), (32, 5144270), (40, 4115416), (41, 4015040), (64, 2572135), (80, 2057708), (82, 2007520), (160, 1028854), (164, 1003760), (205, 803008), (320, 514427), (328, 501880), (410, 401504), (656, 250940), (820, 200752), (1312, 125470), (1640, 100376), (2624, 62735), (3280, 50188), (6560, 25094), (12547, 13120)]