77974720

素因数分解:

$2^6\times 5^1\times {\mathrm{243671}}^1$

素因数の和:243688

約数の個数: 28

約数和(自身を含む): 185678064

約数和(自身を除く): 107703344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243671, 487342, 974684, 1218355, 1949368, 2436710, 3898736, 4873420, 7797472, 9746840, 15594944, 19493680, 38987360, 77974720]

約数ペア:

[(1, 77974720), (2, 38987360), (4, 19493680), (5, 15594944), (8, 9746840), (10, 7797472), (16, 4873420), (20, 3898736), (32, 2436710), (40, 1949368), (64, 1218355), (80, 974684), (160, 487342), (320, 243671)]