25497680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24517}}^1$

素因数の和:24543

約数の個数: 40

約数和(自身を含む): 63844872

約数和(自身を除く): 38347192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24517, 49034, 98068, 122585, 196136, 245170, 318721, 392272, 490340, 637442, 980680, 1274884, 1593605, 1961360, 2549768, 3187210, 5099536, 6374420, 12748840, 25497680]

約数ペア:

[(1, 25497680), (2, 12748840), (4, 6374420), (5, 5099536), (8, 3187210), (10, 2549768), (13, 1961360), (16, 1593605), (20, 1274884), (26, 980680), (40, 637442), (52, 490340), (65, 392272), (80, 318721), (104, 245170), (130, 196136), (208, 122585), (260, 98068), (520, 49034), (1040, 24517)]