63874460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245671}}^1$

素因数の和:245693

約数の個数: 24

約数和(自身を含む): 144455136

約数和(自身を除く): 80580676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245671, 491342, 982684, 1228355, 2456710, 3193723, 4913420, 6387446, 12774892, 15968615, 31937230, 63874460]

約数ペア:

[(1, 63874460), (2, 31937230), (4, 15968615), (5, 12774892), (10, 6387446), (13, 4913420), (20, 3193723), (26, 2456710), (52, 1228355), (65, 982684), (130, 491342), (260, 245671)]