1660989460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491417}}^1$

素因数の和:491452

約数の個数: 36

約数和(自身を含む): 3777038748

約数和(自身を除く): 2116049288

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 491417, 982834, 1965668, 2457085, 4914170, 6388421, 9828340, 12776842, 25553684, 31942105, 63884210, 83049473, 127768420, 166098946, 332197892, 415247365, 830494730, 1660989460]

約数ペア:

[(1, 1660989460), (2, 830494730), (4, 415247365), (5, 332197892), (10, 166098946), (13, 127768420), (20, 83049473), (26, 63884210), (52, 31942105), (65, 25553684), (130, 12776842), (169, 9828340), (260, 6388421), (338, 4914170), (676, 2457085), (845, 1965668), (1690, 982834), (3380, 491417)]