81932860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{607}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 182939904

約数和(自身を除く): 101007044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 397, 607, 794, 1214, 1588, 1985, 2428, 3035, 3970, 6070, 6749, 7940, 10319, 12140, 13498, 20638, 26996, 33745, 41276, 51595, 67490, 103190, 134980, 206380, 240979, 481958, 963916, 1204895, 2409790, 4096643, 4819580, 8193286, 16386572, 20483215, 40966430, 81932860]

約数ペア:

[(1, 81932860), (2, 40966430), (4, 20483215), (5, 16386572), (10, 8193286), (17, 4819580), (20, 4096643), (34, 2409790), (68, 1204895), (85, 963916), (170, 481958), (340, 240979), (397, 206380), (607, 134980), (794, 103190), (1214, 67490), (1588, 51595), (1985, 41276), (2428, 33745), (3035, 26996), (3970, 20638), (6070, 13498), (6749, 12140), (7940, 10319)]