77188840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113513}}^1$

素因数の和:113541

約数の個数: 32

約数和(自身を含む): 183892680

約数和(自身を除く): 106703840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 113513, 227026, 454052, 567565, 908104, 1135130, 1929721, 2270260, 3859442, 4540520, 7718884, 9648605, 15437768, 19297210, 38594420, 77188840]

約数ペア:

[(1, 77188840), (2, 38594420), (4, 19297210), (5, 15437768), (8, 9648605), (10, 7718884), (17, 4540520), (20, 3859442), (34, 2270260), (40, 1929721), (68, 1135130), (85, 908104), (136, 567565), (170, 454052), (340, 227026), (680, 113513)]