15720640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3779}}^1$

素因数の和:3809

約数の個数: 56

約数和(自身を含む): 40325040

約数和(自身を除く): 24604400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3779, 4160, 7558, 15116, 18895, 30232, 37790, 49127, 60464, 75580, 98254, 120928, 151160, 196508, 241856, 245635, 302320, 393016, 491270, 604640, 786032, 982540, 1209280, 1572064, 1965080, 3144128, 3930160, 7860320, 15720640]

約数ペア:

[(1, 15720640), (2, 7860320), (4, 3930160), (5, 3144128), (8, 1965080), (10, 1572064), (13, 1209280), (16, 982540), (20, 786032), (26, 604640), (32, 491270), (40, 393016), (52, 302320), (64, 245635), (65, 241856), (80, 196508), (104, 151160), (130, 120928), (160, 98254), (208, 75580), (260, 60464), (320, 49127), (416, 37790), (520, 30232), (832, 18895), (1040, 15116), (2080, 7558), (3779, 4160)]