79538840

素因数分解:

$2^3\times 5^1\times {\mathrm{1988471}}^1$

素因数の和:1988482

約数の個数: 16

約数和(自身を含む): 178962480

約数和(自身を除く): 99423640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1988471, 3976942, 7953884, 9942355, 15907768, 19884710, 39769420, 79538840]

約数ペア:

[(1, 79538840), (2, 39769420), (4, 19884710), (5, 15907768), (8, 9942355), (10, 7953884), (20, 3976942), (40, 1988471)]