27798160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26729}}^1$

素因数の和:26755

約数の個数: 40

約数和(自身を含む): 69604920

約数和(自身を除く): 41806760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26729, 53458, 106916, 133645, 213832, 267290, 347477, 427664, 534580, 694954, 1069160, 1389908, 1737385, 2138320, 2779816, 3474770, 5559632, 6949540, 13899080, 27798160]

約数ペア:

[(1, 27798160), (2, 13899080), (4, 6949540), (5, 5559632), (8, 3474770), (10, 2779816), (13, 2138320), (16, 1737385), (20, 1389908), (26, 1069160), (40, 694954), (52, 534580), (65, 427664), (80, 347477), (104, 267290), (130, 213832), (208, 133645), (260, 106916), (520, 53458), (1040, 26729)]