28422160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27329}}^1$

素因数の和:27355

約数の個数: 40

約数和(自身を含む): 71167320

約数和(自身を除く): 42745160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27329, 54658, 109316, 136645, 218632, 273290, 355277, 437264, 546580, 710554, 1093160, 1421108, 1776385, 2186320, 2842216, 3552770, 5684432, 7105540, 14211080, 28422160]

約数ペア:

[(1, 28422160), (2, 14211080), (4, 7105540), (5, 5684432), (8, 3552770), (10, 2842216), (13, 2186320), (16, 1776385), (20, 1421108), (26, 1093160), (40, 710554), (52, 546580), (65, 437264), (80, 355277), (104, 273290), (130, 218632), (208, 136645), (260, 109316), (520, 54658), (1040, 27329)]