16481440

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 22709600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 431, 478, 862, 956, 1195, 1724, 1912, 2155, 2390, 3448, 3824, 4310, 4780, 6896, 7648, 8620, 9560, 13792, 17240, 19120, 34480, 38240, 68960, 103009, 206018, 412036, 515045, 824072, 1030090, 1648144, 2060180, 3296288, 4120360, 8240720, 16481440]

約数ペア:

[(1, 16481440), (2, 8240720), (4, 4120360), (5, 3296288), (8, 2060180), (10, 1648144), (16, 1030090), (20, 824072), (32, 515045), (40, 412036), (80, 206018), (160, 103009), (239, 68960), (431, 38240), (478, 34480), (862, 19120), (956, 17240), (1195, 13792), (1724, 9560), (1912, 8620), (2155, 7648), (2390, 6896), (3448, 4780), (3824, 4310)]