16000180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4969}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 24077900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4969, 9938, 19876, 24845, 34783, 49690, 69566, 99380, 114287, 139132, 173915, 228574, 347830, 457148, 571435, 695660, 800009, 1142870, 1600018, 2285740, 3200036, 4000045, 8000090, 16000180]

約数ペア:

[(1, 16000180), (2, 8000090), (4, 4000045), (5, 3200036), (7, 2285740), (10, 1600018), (14, 1142870), (20, 800009), (23, 695660), (28, 571435), (35, 457148), (46, 347830), (70, 228574), (92, 173915), (115, 139132), (140, 114287), (161, 99380), (230, 69566), (322, 49690), (460, 34783), (644, 24845), (805, 19876), (1610, 9938), (3220, 4969)]