65788840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126517}}^1$

素因数の和:126541

約数の個数: 32

約数和(自身を含む): 159412680

約数和(自身を除く): 93623840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 126517, 253034, 506068, 632585, 1012136, 1265170, 1644721, 2530340, 3289442, 5060680, 6578884, 8223605, 13157768, 16447210, 32894420, 65788840]

約数ペア:

[(1, 65788840), (2, 32894420), (4, 16447210), (5, 13157768), (8, 8223605), (10, 6578884), (13, 5060680), (20, 3289442), (26, 2530340), (40, 1644721), (52, 1265170), (65, 1012136), (104, 632585), (130, 506068), (260, 253034), (520, 126517)]