208040440

素因数分解:

$2^3\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{2917}}^1$

素因数の和:4711

約数の個数: 32

約数和(自身を含む): 468514080

約数和(自身を除く): 260473640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1783, 2917, 3566, 5834, 7132, 8915, 11668, 14264, 14585, 17830, 23336, 29170, 35660, 58340, 71320, 116680, 5201011, 10402022, 20804044, 26005055, 41608088, 52010110, 104020220, 208040440]

約数ペア:

[(1, 208040440), (2, 104020220), (4, 52010110), (5, 41608088), (8, 26005055), (10, 20804044), (20, 10402022), (40, 5201011), (1783, 116680), (2917, 71320), (3566, 58340), (5834, 35660), (7132, 29170), (8915, 23336), (11668, 17830), (14264, 14585)]