145465840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139871}}^1$

素因数の和:139897

約数の個数: 40

約数和(自身を含む): 364226688

約数和(自身を除く): 218760848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 139871, 279742, 559484, 699355, 1118968, 1398710, 1818323, 2237936, 2797420, 3636646, 5594840, 7273292, 9091615, 11189680, 14546584, 18183230, 29093168, 36366460, 72732920, 145465840]

約数ペア:

[(1, 145465840), (2, 72732920), (4, 36366460), (5, 29093168), (8, 18183230), (10, 14546584), (13, 11189680), (16, 9091615), (20, 7273292), (26, 5594840), (40, 3636646), (52, 2797420), (65, 2237936), (80, 1818323), (104, 1398710), (130, 1118968), (208, 699355), (260, 559484), (520, 279742), (1040, 139871)]