79923440

素因数分解:

$2^4\times 5^1\times {\mathrm{999043}}^1$

素因数の和:999056

約数の個数: 20

約数和(自身を含む): 185822184

約数和(自身を除く): 105898744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 999043, 1998086, 3996172, 4995215, 7992344, 9990430, 15984688, 19980860, 39961720, 79923440]

約数ペア:

[(1, 79923440), (2, 39961720), (4, 19980860), (5, 15984688), (8, 9990430), (10, 7992344), (16, 4995215), (20, 3996172), (40, 1998086), (80, 999043)]