64491440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62011}}^1$

素因数の和:62037

約数の個数: 40

約数和(自身を含む): 161479248

約数和(自身を除く): 96987808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62011, 124022, 248044, 310055, 496088, 620110, 806143, 992176, 1240220, 1612286, 2480440, 3224572, 4030715, 4960880, 6449144, 8061430, 12898288, 16122860, 32245720, 64491440]

約数ペア:

[(1, 64491440), (2, 32245720), (4, 16122860), (5, 12898288), (8, 8061430), (10, 6449144), (13, 4960880), (16, 4030715), (20, 3224572), (26, 2480440), (40, 1612286), (52, 1240220), (65, 992176), (80, 806143), (104, 620110), (130, 496088), (208, 310055), (260, 248044), (520, 124022), (1040, 62011)]