68357140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{41179}}^1$

素因数の和:41271

約数の個数: 24

約数和(自身を含む): 145283040

約数和(自身を除く): 76925900

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 41179, 82358, 164716, 205895, 411790, 823580, 3417857, 6835714, 13671428, 17089285, 34178570, 68357140]

約数ペア:

[(1, 68357140), (2, 34178570), (4, 17089285), (5, 13671428), (10, 6835714), (20, 3417857), (83, 823580), (166, 411790), (332, 205895), (415, 164716), (830, 82358), (1660, 41179)]